Air Pollution

Let’s Talk About Air Pollution and Heart Disease

Editor’s note: Due to a major ice and snow storm on the east coast on February 12th and 13th, we’re rescheduling our #HealthyHeart Twitter chat to Thursday, February 20th at 2:30 PM ET. Join us then to talk about air pollution and heart health. Follow @EPAlive and the #HealthyHeart hashtag on Twitter to ask questions and participate. For Spanish, follow @EPAespanol and #corazonsano.

By Ann Brown

February is American Heart Month, and it’s a good time to remember matters of the heart. Did you know that air pollution can trigger heart attacks and strokes, and worsen heart conditions? With one in three Americans having heart disease, there’s a good possibility that you know people with problems. Learn what we know about the effects of air pollution and help protect them.

Join our live twitter chat on Thursday, February 13th at 1:30 PM ET to learn more about the threats of air pollution to the heart and ways to protect yours. Follow @EPAlive and the #HealthyHeart hashtag to join the conversation. We’ll share information about air pollution and heart disease so that you and your loved ones can take action to protect yourselves. During the chat, we’ll also tweet in Spanish on @EPAespanol using the hashtag #corazonsano.

Dr. Wayne Cascio, a cardiologist who researches these issues at EPA, will be available during the chat to discuss:

  • what we know about air pollution and its connection to heart disease and stroke,
  • how to reduce your risk, and
  • how science is helping us better understand how air pollution can harm the heart.

Feel free to post your questions now in the comment section below, or tweet them when you join us for the chat on February 13. We’ll answer as many questions as we can during the chat. Also, read more about the connection between air pollution and heart disease on our healthy heart website.

 

 

About the author: Ann Brown is the communications lead for EPA’s Air, Climate, and Energy Research Program in Research Triangle Park, NC, which is the hub for EPA’s research to protect public health and the environment from outdoor air pollution.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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It Doesn’t Take a Fireman to Spot a Fire: Fighting Pollution with Citizen Science

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Shameika Jackson. Velma White and Ronesha Johnson are active reporters
to the map from Shreveport, LA.

By Molly Brackin

We have a saying at the Louisiana Bucket Brigade (LABB); “it doesn’t take a fireman to spot a fire.” Likewise, you don’t need to be a scientist to know something is wrong when you spot a black smoking flare that lasts an hour or you smell foul chemicals in the air. Since 2000, the Bucket Brigade has worked with communities and thousands of residents throughout Louisiana that neighbor oil refineries and chemical plants. Our mission is to support our communities’ use of grassroots action to create informed, sustainable neighborhoods free from industrial pollution.  To accomplish this, the Bucket Brigade model is to equip communities most impacted by pollution with easy-to-use tools that monitor their environment, inform residents, and can be used to improve industry accountability.

Untitled-1In early 2010 LABB introduced the iWitness Pollution Map to help Louisiana residents track pollution and associated health effects in their communities. Today there are over 11,000 reports of possible petrochemical pollution on the map.  The iWitness Pollution Map is an open-source online map that allows anyone with a phone to document and share their experience with pollution via voicemail, text, email or by using the online form.  Visitors of the map are able to see reports in real-time, identify possible pollution hotspots by viewing the geographic location of the reports, and sign up to get alerts.The map helps to validate a community’s experience with petrochemical pollution, but more importantly the map monitors incidents of the industry’s potential pollution impacts on the local community.

In a system that allows industry to self-report their emissions and accidents, citizens are extremely important watchdogs. There were over 1,200 citizen reports of pollution from the 17 oil refineries and two associated chemical plants in Louisiana in 2013 alone. Using the iWitness Pollution Map, citizens have reported smells, flaring events, roaring sounds coming from the facilities, and health effects among other things:

 “It’s extremely stinky outside right now, very chemically smelling.  I don’t know exactly what type of smell it is, but is very chemical and it seems to be coming from the plant off Scenic Highway.  I guess it is around 6pm in the evening.  It’s raining and no feel of anything but just definitely very smelly, very unnatural.  It’s thick outside.”– January 13th, 2013, Baton Rouge, LA

 “…That plant over there, that flare is going just like a train.   It been doing it all night long.  And I can hear it all on my porch on Broadway now.”-July 28th, 2013, Shreveport, LA 

“When I had gotten off of work at 2:30am there was a weird smell in the air. At 10am the smell woke me up it was all outside & inside my home, which brought on a migraine & nausea! I don’t know what the chemical is or if it’s even safe for us to be in our home right now. We live on the Westbank in Algiers. If someone could give us some information on this that would be fantastic. The news & fire departments are saying it’s a mystery & others say it’s coming from the Chalmette refinery.”– April 3, 2013, Algiers (New Orleans), LA

A mural painted by community members in Baton Rouge reads: “Standard Heights: Clean Air is Our Right!”

A mural painted by residents in Baton Rouge reads: “Standard Heights: Clean Air is Our Right!”

From consistent citizen reporting to the iWitness Pollution Map, the results of the data we have gathered provides crucial statements of real life everyday experiences from residents, which counter the claims of some local industries that their chemical releases have resulted in “no offsite impact.”  LABB triangulates the reports to the map with other available information (i.e. air monitoring data, facility self reports) and shares the analysis with impacted communities, federal and state enforcement officials, first responders and the media.

Some communities in Louisiana are overburdened by industrial pollution on a daily basis, but if no one reports it, it’s as if nothing ever happened.  Thanks to these innovative tools, communities impacted by pollution have a visible, public platform to get their experiences documented and their voices heard!

Molly Brackin is an AmeriCorps VISTA with the Louisiana Bucket Brigade, where she serves as the Monitoring & Evaluation Associate. She holds a Master’s Degree in Urban and Regional Planning from the University of New Orleans, where she specialized in hazard mitigation and disaster planning.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Indoors, Radon Stands Out

By Henry Slack

For the past twenty years, I’ve helped EPA fix indoor air pollution problems. Mold, odors, air cleaners, sick buildings, you name it – I’ve helped people learn how to manage these problems in their homes. The key thing I’ve learned: the most insidious indoor air pollutant is radon.

Radon is hidden and dangerous. We can’t see or smell it. The only way to know it’s around is to test for it. Did you know that radon in homes first drew concern as a public health threat after a worker at a nuclear power plant started setting off the plant’s radiation alarms? His home’s radon level was so high, he was carrying radiation into the plant. Yet he had no clue his home was radioactive before the testing started. The old proverb “out of sight, out of mind” holds true.

Radon causes lung cancer, second only to smoking as the leading cause. It leads to an estimated 21,000 lung cancer deaths a year. Some of my relatives have had cancer; it’s serious. The good news, however, is that radon-induced lung cancer (like smoking) can be prevented. Testing your home and taking corrective actions to reduce high levels is easy, cheap, and local resources are available to help.

EPA has been talking about the dangers of radon for decades. Lately, the group Cancer Survivors Against Radon (CanSAR) has joined the effort to raise awareness and help people take action to reduce their risk. Members share their personal stories about how high the radon levels were in their home, how they or a loved one battled against the disease, and how they want others to test for radon. Their goal: no one else having to watch someone they care about get sick and die of lung cancer.
 
Radon deaths are completely preventable. Please test your home, and fix it if you have a problem. Thank you.

About the author: Henry Slack from EPA’s Atlanta regional office has taught and helped people in the southeast with indoor air problems for more than 20 years.  His study of chemistry (B.S.) and mechanical engineering (M.S.) give him a strong background in the field, and he is active with the U.S. Green Building Council and the American Society of Heating, Refrigerating, and Air-conditioning Engineers (ASHRAE).     

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Pollution by Design: Reducing Pollution Through Organizing


By Penny Newman

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Heavy rains cause overflow from toxic waste pits to run through a local Glen Avon school

Thirty five years ago, I joined a rag tag group of moms who gathered together to decide how we were going to stop the exposures from the Stringfellow Acid Pits, a permitted Class 1 toxic dump site that accepted chemical wastes from throughout California.  This was in response to an incident where the State of California, during a heavy rain period, released over one million gallons of liquid toxic waste into our community in order to relieve pressure on a the dam that was holding back 34 million gallons of hazardous waste. They did this without informing us, flooding our streets, and inundating our homes and school.  Our children splashed in the puddles, made beards and became snow men in the frothy mounds of gray toxic foam.

Untitled-23When we realized what had happened, we decided we’d had enough.  Concerned Neighbors in Action (CNA) formed to stop it. By 1980 we began to hear rumors of places like Love Canal and Times Beach, where communities were experiencing similar problems.  Putting our heads and hearts together we launched into a decade long battle to make the system respond to the health crisis that we, and other communities, were facing.  Our efforts changed laws, developed legal precedent and created new institutions.

In 1993, after stopping the exposures and winning a personal injury lawsuit with a $114 million settlement, CNA became the Center for Community Action and Environmental Justice (CCAEJ) to broaden our work and bring focus to the underlying factors of polluted communities.  We learned that these situations don’t just appear by accident. They are the result of a system that seeks the lowest costs, which can lead to high polluting industries locating their operations in poorer communities and communities of color.  This is why CCAEJ has developed a mission of “bringing people together to improve our social and natural environment,” as recognition that the social environment—economic, political, education— determine the fate of our community’s environment and our living conditions.

If we do not have the power to influence decisions in those systems, they will be used to advance other interests.   It is not by accident that our small rural community ended up with the Stringfellow Acid Pits – it was a decision made by powerful interests taking advantage of the system.   The goal was to find cheap places to dump their poisonous wastes in a place that is out of sight—commonly called “remote disposal.” While we knew this by instinct, our feelings were confirmed when we uncovered a report commissioned by the State of California and written by a consulting firm.  It profiled the communities that would be the easiest to site polluting facilities.  In the summary they write, “all socioeconomic groupings tend to resent the nearby siting of major facilities, but the middle and upper socioeconomic strata possess better resources to effectuate their opposition.” 

Untitled-24In other words, pick the most vulnerable communities.  Understanding that poor communities and communities of color are targeted for pollution is an important factor in how to attack the problems. That’s why CCAEJ works specifically in Inland Valley communities like Riverside and San Bernardino in Southern California; which face some of the highest levels of air pollution in the country today.  Building power for these forgotten communities through leadership development, trainings, and actions; forcing the public and politicians to see the issues so they can’t be ignored or hidden; and flexing our political power is the true pathway to environmental justice.

Penny Newman is executive director and founder of the Center for Community Action and Environmental Justice (CCAEJ), which serves Riverside and San Bernardino counties. She began her fight for environmental justice with the battle of the Stringfellow Acid Pits, California’s worst toxic waste site. This 25-year battle of a small town against the pollution from the Stringfellow site is recounted in her book, “Remembering Stringfellow.” Ms. Newman has received numerous awards during her 27 years as an environmental activist, including Jurupa’s “Citizen of the Year.” Newman has also appeared on numerous television shows such as the “Remembering Your Spirit” segment of the Oprah Winfrey show. She was the subject of an HBO documentary, “Toxic Time Bomb.”

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Tales from Our Trash: New York City’s Sanitation Workers, Sustainable Cities, and the Value of Knowledge

NYLPI_Map3_CommunitesOfColor_Uniform

By Rebecca Bratspies

screen_20060123182758_9talkingtrash2tsi's_pickup_crewWe have a problem in New York City: We generate more than 30,000 tons of waste each day. Roughly one third of that waste is household trash, and the daunting task of collecting garbage from New York City’s three million households falls to 7,000 workers from the NYC Department of Sanitation.  They are, in the words of artist Mierle Laderman Ukeles, “keeping New York City alive.”

All of NYC’s waste is shipped out of state for disposal. But first, the city must consolidate the garbage at one of 58 waste transfer stations. In addition to the overpowering odors the trash itself produces, these stations generate a constant stream of truck traffic, air pollution, noise pollution, and safety issues. So, of course, no one wants to live near them.

Thus, it may come as no surprise that most of NYC’s waste transfer stations are concentrated in poor and minority communities in the Bronx, Queens, and Brooklyn. In 1996, the New York City Environmental Justice Alliance helped form the Organization of Waterfront Neighborhoods to address this injustice, and over the next decade these groups worked with hundreds of concerned citizens, ultimately culminating in the passage of the City’s 2006 Solid Waste Management Plan. Although the plan laid the foundation for a more equitable distribution of these facilities, attempts to locate a waste transfer station in Manhattan have been met with litigation and outrage.

frank justich wayI think about these numbers every time I place my family’s trash can on the curb for sanitation workers to empty. These workers do this thankless and risky job every day. Sanitation workers are far more likely to be killed on the job than are police officers or firefighters. In 2010, this was the case when NYC sanitation worker Frank Justich was hit by a truck and killed while on the job in Queens. My daily commute takes me past the corner where he died, which was renamed Frank Justich Way in his honor. How many of us know the names of the men and women who collect our trash? Their vital contribution to our welfare goes unacknowledged: their specialized knowledge and skills overlooked.

This is why the CUNY Center for Urban Environmental Reform (CUER) is launching its Whose Trash? Initiative, which uses NYC waste-handling practices to consider broader questions of urban sustainability. This initiative highlights the importance of including under-represented voices in the waste planning processes: communities burdened with landfills and transfer stations; workers tasked with collecting and handling wastes; and young people saddled with undesirable economic and ecological legacies.

The kick-off event, Tales from Our Trash, will take place this Thursday, November 14, at 6 p.m. at CUNY School of Law. Commemorating Frank Justich’s life and service, this event highlights the contributions sanitation workers make to urban sustainability. The event will be memorialized by Frank Justich’s widow, who speak briefly about what it means to her that this event is commemorating her husband’s life and work. Other participants include  Dr. Robin Nagle, anthropologist-in-residence at the NYC Department of Sanitation and author of Picking Up; CUNY School of Law Professor and CUER Director Rebecca Bratspies; artist Mierle Laderman Ukeles, creator of Touch Sanitation and artist-in-residence at the NYC Department of Sanitation; NYC Sanitation Commissioner John J. Doherty; and three NYC high school students speaking on behalf of future generations. More information is available on CUNY Law’s website.  Don’t live in New York? No Problem! The events are free and it is open to the public, and will be live-streamed online. Hope to see you there!

About the author: Rebecca Bratspies, Professor, joined the faculty of CUNY Law in 2004. Her teaching and scholarly research focus on environmental and public international law, with a particular emphasis on how legal systems govern the global commons and how law can further sustainable development. Professor Bratspies spent a year seconded to the Republic of China (Taiwan) Environmental Protection Administration. Upon her return to the United States, she was a litigation associate with Dechert, Price and Rhoads where she worked with civil rights groups to bring two victorious class action suits challenging Pennsylvania’s implementation of welfare reform.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Village Green Project Helps Library by Inspiring Young Students

By Jennifer Brannen (Guest Blogger)

 

Library Partners (left to right):  Jennifer Brannen (Teen and Adult Services Librarian),  Kathleen Hayes (Children’s Services Library Associate), and Sandra Lovely (South Regional Library Manager)

Library Partners (left to right): Jennifer Brannen (Teen and Adult Services Librarian), Kathleen Hayes (Children’s Services Library Associate), and Sandra Lovely (South Regional Library Manager)

Durham County South Regional Library and Durham County are collaborating with EPA on the Village Green Project air monitoring station.  A new sort of partnership for all, the Village Green is an air quality project that invites neighbors, students and community members of all sorts to learn and become involved.

Already, the Village Green Project is generating interest in our community and reflecting the missions of both the EPA and the library; the bench integrated into the monitoring station is being used by library patrons curious about air quality or the design of the air-monitoring station itself. It is also proving popular with families looking for a nice shady spot to sit and read to their children.

We librarians have particularly enjoyed the outreach events already associated with the Village Green and are looking forward to the future programming and outreach for the upcoming school year. Our community has demonstrated a strong interest in science and environmental topics, which isn’t a surprise given our proximity to Research Triangle Park, home to some of the nation’s top science and research and development organizations.

As the school year starts, we are looking forward to new opportunities for outreach at local schools that this project will generate, from elementary to high school, including the new Research Triangle High School with its Science, Technology, Engineering and Mathematics (STEM) focus. Not only do we have the resources to teach students of all ages how to do research, we can offer them the opportunity to become part of new and exciting research in the making.

Hopefully, the South Regional Library’s collaboration with the EPA and other Village Green community partners is just the beginning of many fruitful and enduring partnerships that will continue to grow our community and nurture our learners.

 

About the author:  Guest blogger Jennifer Brannen is a teen and adult services librarian at Durham County’s South Regional Library and has worked with EPA and Durham County to share the Village Green Project with the local community.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action.

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Take the Bus – Save the Planet!

By Christine Koester

It’s that time of year again. Hard to believe but summer is quickly coming to a close as students head back to school. Between classroom visits to meet the teacher and buying new school supplies, you’ve probably noticed yellow buses driving around the neighborhood. This year, school buses will provide rides to more than 25 million students and travel about four billion miles – that’s enough to go to the sun and back about 20 times! Whether you wait at the stop each morning with your children or you have memories of frantic dashes down the sidewalk to catch it, the school bus has been a big part of American education for generations.

According to the U.S. Department of Transportation, school buses are by far the safest way for kids to get to school. The buses’ size and design, and the drivers’ training, help them avoid accidents. Buses also do great things to decrease fuel consumption and traffic congestion. In the US, buses use 2.3 billion gallons less fuel every year than if everyone drove their children to school.

School districts, bus manufacturers, and government are working to make school buses even better. New school buses pollute much less than they used to, and devices added to older buses cut their exhaust. Many school districts also have rules against idling to further reduce children’s exposure to bus pollution. We’re helping with all of this: EPA has provided grants over the last five years to replace buses or reduce pollution from more than 20,000 buses. Last year, we also gave out rebates through a lottery. The winners – 28 communities across the country – will have 80 new clean technology buses to take children to school this fall, cutting pollution and saving fuel.

Every time students take the bus, they are getting a safe, clean, and environmentally friendly ride, and parents have peace of mind (and a bonus: they spend less on gas). Best of luck to all students on the upcoming school year!

To learn more about EPA’s Clean School Bus program, please visit

About the author: Christine Koester has been part of the EPA since 2010 and currently works as an environmental protection specialist in the Office of Transportation and Air Quality.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Middle Age at EPA: Serving Communities at Home and Abroad

By Mark Kasman

The realities of reaching middle age have included watching my hair go grey, my middle thicken, and my back become less forgiving. The advantages, however, have included gaining life experiences, making wonderful friends and partners, and building strong programs that have led to meaningful environmental gains. One satisfying aspect is being able to experience the environmental results of my work in person. Recently, I had the opportunity to help celebrate twenty years of U.S. – Taiwanese environmental cooperation and see how our work has benefitted both countries.

When I first visited Taiwan twenty years ago, it was not a clean place. The cities were choked with air pollution, the rivers were full of industrial and solid waste, and there was a lot of litter. It reminded me of many places in the United States when I was a child before EPA was established. Indeed, Taiwan had just established its Environmental Protection Administration (EPAT). With a small staff and limited budget, EPAT turned to U.S. EPA for advice on environmental standards and technologies that could apply to Taiwan. EPAT adapted our approach to most of its environmental challenges and has made significant improvements. Twenty years later, the air quality has improved dramatically, the rivers and lakes are cleaner, the soil is healthier, and Taiwan is recognized as an environmental leader in the region.

Now, the benefits of this experience are expanding beyond Taiwan. At U.S. EPA’s urging, EPAT is sharing our experiences throughout the Asia Pacific region and beyond. With funding from Taiwan, we’ve established regional working groups on e-waste management, site remediation, mercury monitoring, environmental enforcement, and environmental information. These working groups share best practices and information that is helping the region address its environmental challenges. Experts from Africa, as well as Central and Latin America, have even joined our efforts on e-waste to establish the International E-Waste Management Network.

And the benefits are coming directly back to the U.S. as well. The program has connected schools and communities in the U.S. and Taiwan to share best practices to make our communities more sustainable. U.S. businesses are benefitting from the resulting demand for their goods and services in Asia. With over 80% of the mercury deposition in the U.S. coming from the Asia Pacific region, it is important that our work is helping us understand how the mercury gets here. And with much of the rice, vegetables, fruit, and fish on our table today coming from Asia, it is important that it’s not contaminated at its source.

Challenges remain. However, it’s rewarding that the work EPA is doing at home also helps communities abroad, and that those overseas changes then benefit us in the U.S.

About the author: Mark Kasman is Senior Advisor of EPA’s Asia Pacific Program.  Before coming to EPA 27 years ago, Mark worked at the United Nations Development Program in Jakarta, Indonesia and the Carter Center in Atlanta, Georgia.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Environmental Justice is Served

By Erin Heaney

Every community has the right to know what they are being exposed to. That’s why at the Clean Air Coalition (CAC), our mission is to develop grassroots leaders who organize their communities to run and win environmental justice and public health campaigns.  We’ve seen over the years that when leaders and residents have good data, they are better able to become strong advocates for their neighborhoods.

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One example of this is our recent work to protect residents of Tonawanda, New York from dangerous air pollution. After CAC-led citizen science showed high levels of benzene in Tonawanda, New York originating from a foundry coke plant operated by Tonawanda Coke, residents mobilized to hold the plant accountable. They knocked on their neighbors’ doors, met with decision makers, and earned dozens of press hits. The public pressure generated by CAC members resulted in historic enforcement action against the plant.

In December of 2009, the US Department of Justice, the US EPA, NYS DEC and US Coast Guard executed a federal search warrant at Tonawanda Coke. Less than a week later the company’s environmental control manager was arrested.  On March 28th, 2013 a jury found Tonawanda Coke and the environmental contral manager guilty of violating the Clean Air Act, the Resource Conservation and Recovery Act, and the environmental control manager was also found guilty of obstructing justice. The company faces criminal fines in excess of $200 million and the company’s control manager faces up to 75 years in jail.

Now, we are working to ensure that the community has a voice in providing the court with project proposals from the community that may be funded in their community through a court ordered penalty. The Clean Air Coalition used a participatory budgeting process to identify potential projects for the court’s consideration Check out this short film on how the process worked!

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The Tonawanda Coke case is an amazing example of how citizen science, access to environmental data, combined with community mobilization and strong support from the federal government can result in tangible results for communities on the margins.

But it all starts with community awareness. One tool we used to build this awareness among residents in the fight against Tonawanda Coke was the Toxics Release Inventory (TRI). The TRI online database was developed by EPA to give communities more information about what’s released by large industry in their backyards.  I originally wrote about our first TRI training for residents in the region last year. Now, we have learned a lot and we want to share the lessons we learned with other communities. We’ve turned them into a training guide  that people like you can use to educate and train your communities.

The guide is divided into two sections. The first hour explores the movement and history that advocated for TRI and the rules that govern the program. The second half gives folks hands-on practice using the database and exploring the releases in their neighborhood.

We hope other communities throughout the country will use our guide to share information with impacted residents, educate policy makers and continue to build a movement for the environment. Enjoy!

About the author: Erin Heaney is the Executive Director of the Clean Air Coalition of Western New York, a grassroots organization that develops community leadership to win campaigns that advance public health and environmental justice. She has trained hundreds of grassroots leaders and won campaigns that have resulted in significant emissions reductions from some of the region’s largest polluters.

[vimeo]http://vimeo.com/71938803[/vimeo]

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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The Village Green Project: Reading the Results So Far…

By Dr. Gayle Hagler and Ron Williams

The Village Green Project is up and running! The lower-cost, solar-powered equipment continuously monitors ozone and fine particles, along with meteorological measurements, and sends the data to an EPA website by the minute.

So, what is the data telling us about local environmental conditions at this point? The graphs below show a snapshot of recorded trends for ground level ozone and fine particulate matter.

Hourly ozone data from the Village Green Project.  Note: data are preliminary and intended for research and educational purposes.

Hourly ozone data from the Village Green Project. Note that the data are preliminary
and intended for research and educational purposes.

The up and down line you see above for daily ozone concentrations is a typical summer pattern. That’s because the summer sun fuels atmospheric chemical reactions throughout the day that create ground level ozone, commonly peaking in the hot afternoon. The process decreases overnight, and ozone concentrations fall.

Hourly ozone data from the Village Green Project.  Note that the data are preliminary  and intended for research and educational purposes.

Hourly PM2.5 data from the Village Green Project. Note that the data are preliminary
and intended for research and educational purposes.

A review of the particulate graph shows very low concentrations in early July. Not surprisingly, this coincided with rainy days, as rainfall usually removes particulates from the air. Once the rain ended, particulate levels started rising to levels we commonly see in the summertime.

The Village Green park bench

The Village Green park bench

So far, the air-monitoring bench survived very hot and humid weather and has operated uninterrupted during several dark and overcast days, including during back-to-back thunderstorms. We will continue to monitor the system’s performance over the remainder of the summer.

Back to School

With fall just around the corner, the school year is about to begin again. We are interested in how we can engage teachers and their students in learning about air quality science and the Village Green Project. Our outreach team is in the process of developing fun and interactive games.

Care to join the fun? Please use the comments section below if you have suggestions or questions about environmental education projects involving the Village Green Project.  And please check back regularly for future blogs!

Village Green graphic identifierAbout the Authors: Dr. Gayle Hagler is an environmental engineer who studies air pollutant emissions and measurement technologies. Ron Williams is an exposure science researcher who is studying how people are exposed to air pollutants and methods to measure personal exposure.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action.

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