EPA Clean Air Markets Division

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Washington D.C., DC
EPA Clean Air Markets Division

We manage market-based regulatory programs designed to improve air quality in the U.S.
(24)

07/03/2024

It’s getting hot out there 🥵 do you know what is powering your fans, ice makers, and AC?
Use EPA's Power Profiler to search your ZIP code and find out how your electricity is generated:

This tool allows users to enter in their zip code and compare their local air emission rates for electricity against the national average, as well as the air emission impact of your electricity use.

07/02/2024

Curious about combined heat and power? CHP is an energy efficient technology that generates electricity and captures the heat in the exhaust gases for uses like heating or cooling buildings. Learn more at:

Understand what CHP is, including common CHP configurations and CHP applications.

06/28/2024

Happy National Alaska Day! In partnership with Denali National Park and Preserve, our Clean Air Status and Trends Network (CASTNET) monitors ozone trends in this picturesque national park: https://www.epa.gov/castnet/den417

06/25/2024

Did you know EPA collaborates with the electric power industry to reduce emissions of sulfur hexafluoride, SF₆, a highly potent greenhouse gas used in electric transmission and distribution equipment? Learn more:

The SF6 Emission Reduction Partnership for Electric Power Systems is a collaborative effort between EPA and the electric power industry to identify, recommend, and implement cost-effective solutions to reduce sulfur hexafluoride (SF6) emissions.

06/20/2024

EPA’s Green Power Partnership encourages organizations to voluntarily use renewable electricity to protect human health and the environment. Learn more about the partnership ⬇️
https://www.epa.gov/greenpower

06/18/2024

Learn about our power sector partnership programs, encouraging organizations to voluntarily decrease emissions by using renewable electricity and implementing best practices that help protect human health and the environment.

Learn more about Clear Air Markets Programs, including current programs, retired programs, related EPA programs, EPA tools and resources, and international efforts.

06/12/2024

Learn about our power sector partnership programs, including the Green Power Partnership and the SF₆ Emission Reduction Partnership for Electric Power Systems:

Learn more about Clear Air Markets Programs, including current programs, retired programs, related EPA programs, EPA tools and resources, and international efforts.

06/10/2024

Have you seen our interactive Power Sector Programs Progress Report Story Map? Read highlights from the report and explore interactive maps and graphics: https://www.epa.gov/power-sector/progress-report-story-map

06/05/2024

The Power Sector Programs Progress Report is jam packed with charts, graphs, and maps. 📉📊🗺️ The index of graphics helps you find what you’re looking for quickly! Simply click on the image of the graphic and find the interactive version in the report. https://www.epa.gov/power-sector/progress-report-index-graphics

05/29/2024

In case you missed it — EPA’s full Power Sector Programs Progress Report is now available! Scroll through our interactive StoryMap, with updated maps, charts, and data:

Power Sector Programs Progress Report

05/23/2024

EPA is gathering input on designing a broad approach to reduce greenhouse gases from natural gas combustion turbines in the power sector. Your contributions can help inform our proposal. The docket closes 5/28!

Regulatory page for the Greenhouse Gas Standards and Guidelines for Fossil Fuel-Fired Power Plants

05/22/2024

EPA has released the full 2022 Power Sector Programs Progress Report! Find all the latest information and data on emissions reductions, program compliance air quality, ecosystem health, and more! https://www.epa.gov/power-sector/progress-report

05/21/2024

Check out the updated Ecosystem Response section of the Power Sector Programs Progress Report! See the latest trends in ecosystem health:

EPA’s Progress Report provides annual updates on program implementation and resulting changes in emissions.

05/16/2024

First quarter emissions data for 2024 are now available! Find the latest updates to quarterly facility-level emissions data on our website:

Learn about the changes in SO₂ and NOₓ emissions from coal-fired power plants subject to the Acid Rain Program (ARP) and/or the Cross-State Air Pollution Rule (CSAPR).

05/13/2024

In case you missed it — Power Profiler has new data available! You can compare fuel mix and emission rates of electricity in your region to the national average. Learn more at: https://www.epa.gov/egrid/power-profiler #/

05/09/2024

When you flip the light switch, do you know where the electricity comes from? Type in your zip code on our Power Profiler tool to find out. epa.gov/egrid/power-profiler

05/07/2024

Announcing updated CASTNET maps and charts! Find the latest maps for ambient air concentration, dry deposition, wet deposition, and total deposition on the CASTNET website:

Available maps from the Clean Air Status and Trends Network (CASTNET)

04/26/2024

which energy sources power your community? Visit epa.gov/egrid/power-profiler and type in your zip code to learn more.

04/25/2024

EPA has announced a suite of final rules to reduce pollution from fossil fuel-fired power plants - taking action to protect public health, tackle climate change, and cut pollution in our air, water, and in our neighborhoods.

Learn more ⬇️
https://www.epa.gov/newsreleases/biden-harris-administration-finalizes-suite-standards-reduce-pollution-fossil-fuel

04/22/2024

Happy Earth Day! 🌎 Earth Day is every day at EPA. Learn what EPA is doing to protect human health and the environment by reducing air pollution caused by emissions from the power sector: epa.gov/power-sector

04/18/2024

The Atmospheric Deposition section of the Power Sector Programs Progress Report has been updated with new data! Visit our website to find the latest trends in deposition across the country: https://www.epa.gov/power-sector/progress-report-atmospheric-deposition

04/15/2024

It's Monitoring Monday! This week, we are featuring the Vincennes CASTNET site in Indiana. This site has been collecting air quality data since 1987. Find the data and photos from the site: https://www.epa.gov/castnet/vin140

04/10/2024

Did you know that EPA helps organizations and communities access, choose, and use green power? It's true! Learn more about EPA’s Green Power Partnership and consider joining today!

The U.S. EPA's Green Power Partnership is a voluntary program designed to reduce the environmental impact of electricity generation by promoting renewable energy. Learn more about becoming a Green Power Partner, including recognition opportunities.

04/08/2024

It's Monitoring Monday! This week, we are featuring the Salamonie Reservoir CASTNET site in Indiana. This site has been collecting air quality data since 1988. See additional photos and download data from the site: https://www.epa.gov/castnet/sal133

03/26/2024

Hi friends! Exciting announcement – our name has changed! The Clean Air Markets Division is now the Clean Air and Power Division. CAMD ➡️ CAPD Don’t worry, all of the tools and data you rely on are still available in the same place: epa.gov/power-sector

03/25/2024

It's Monitoring Monday! This week, we are featuring the Oxford CASTNET site in Ohio. As one of our longest-running CASTNET sites, this site has been collecting important air quality data since 1987! Find more information on the site page: https://www.epa.gov/castnet/oxf122

03/20/2024

In case you missed it – the latest air quality data is now available in our progress report. Rural ozone concentrations have fallen 31% from the 1990-2002 period to the 2020-2022 period. Find more air quality data and information at: https://www.epa.gov/power-sector/progress-report-air-quality

03/18/2024

It's Monitoring Monday! Tomorrow is the first day of spring! Enjoy some springtime photos from CASTNET sites around the country. 🌷🌳🌸🌼

03/13/2024

The Air Quality section of the Power Sector Programs Progress Report has been updated with new data! See the latest trends in air quality and how things are changing in your region of the country:

EPA’s Progress Report provides annual updates on program implementation and resulting changes in emissions.

03/11/2024

This week, we are featuring the Sand Mountain CASTNET site, the only site in Alabama. This site has been collecting air quality data since 1988. See the site page for more information, including newly released 2022 deposition data: https://www.epa.gov/castnet/snd152

Address

1200 Pennsylvania Avenue, NW Mail Code 6204J
Washington D.C., DC
20460

Website

https://twitter.com/EPAairmarkets, https://epa.gov/power-sector-modeling, https://epa.gov/emissions-trading-resources, h

Alerts

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Videos

EPA’s Acid Rain Program has resulted in significant reductions in acid rain since the early 1990s. Check out our interactive before and after maps on the Acid Rain Program Results page to see the trends over time: https://www.epa.gov/acidrain/acid-rain-program-results

Beltsville CASTNET Site Video Clip

Many CASTNET sites provide data to support air quality, climate, and agricultural research. Learn more about the Beltsville CASTNET site (managed by our friends Hannah & Hao at University of Maryland - Department of Atmospheric and Oceanic Science) and how the data EPA collects can help inform you and your community. https://youtu.be/5H53E7fqfr8?si=lFOWLAaZ-EC0fzET

Beltsville CASTNET Site Video Clip

The Power Sector Programs Progress Report provides A LOT of data – so we developed an index of graphics to help users quickly find the exact chart or map they need. 📊🗺️📉 Browse the long list of interactive figures on our website: https://www.epa.gov/power-sector/progress-report-index-graphics

Power plant emissions data for the third quarter of 2023 is now available. The data show continued declines in power plant emissions, including a 48% reduction in nationwide ozone season nitrogen oxides (NOₓ) emissions since 2015. Explore the latest data: https://www.epa.gov/power-sector/latest-emission-comparisons-pollution-controls

Want to dive deeper into our 2022 annual emissions data? 🤿📊 The 2022 Power Sector Programs Progress Report website allows users to see emissions of sulfur dioxide (SO₂), nitrogen oxides (NOₓ), carbon dioxide (CO₂), and mercury by year and by state. See the redesigned Progress Report on our website: https://www.epa.gov/power-sector/progress-report-emissions-reductions#so2

The new Power Sector Programs Progress Report story map includes interactive maps showing reductions in sulfur dioxide (SO₂), nitrogen oxides (NOₓ), carbon dioxide (CO₂), and mercury emissions from power plants around the country. Start here to explore the Progress Report story map: https://www.epa.gov/power-sector/progress-report-story-map

Curious about air pollution’s impacts on land and water? EPA's latest deposition maps are now available. See the trends in ambient air concentration and deposition including wet sulfate deposition, the primary component of acid rain (shown here). https://www.epa.gov/castnet/maps-charts

In case you missed it, our 2022 power plant emission trends show continued decreases in sulfur dioxide, nitrogen oxides, and carbon dioxide emissions. https://www.epa.gov/power-sector/power-plant-emission-trends

Ready to dive into our 2022 power plant emissions data? 🏭 See the latest sulfur dioxide (SO₂), nitrogen oxides (NOₓ), and carbon dioxide (CO₂) emissions data, and other information from power plants across the country on our website: https://www.epa.gov/airmarkets/power-plant-emission-trends

Updated maps are now available on the acid rain website! See for yourself the reductions in acid rain across the country by swiping left and right over the map. https://www.epa.gov/acidrain/acid-rain-program-results

Did you know that acid rain has decreased significantly over the past 30 years? EPA’s Acid Rain Program delivered significant reductions in SO₂ and NOₓ emissions from power plants. These reductions led to major decreases in acid rain nationwide. https://www.epa.gov/acidrain/acid-rain-program-results

Our Power Plants and Neighboring Communities mapping tool was released one year ago today! To inform conversations about #environmentaljustice, this tool allows users to view the demographics of communities near power plants. https://www.epa.gov/airmarkets/power-plants-and-neighboring-communities

Did you hear the news?! The new CAMPD application launched last week! Check out all it has to offer: power sector emissions, compliance, and facility data. https://campd.epa.gov

Beltsville Video Clip

Meet Hannah Daly, PhD candidate at University of Maryland and Beltsville CASTNET site operator. In this new video, hear Hannah and the principal investigator for the site, Hao He, explain why the data they help to collect is so important: https://www.youtube.com/watch?v=5H53E7fqfr8

Ready to dive headfirst into our 2021 power plant emissions data? 🏭 See the latest sulfur dioxide (SO₂), nitrogen oxides (NOₓ), and carbon dioxide (CO₂) emissions data and other information from power plants across the country on our website: https://www.epa.gov/airmarkets/power-plant-emission-trends 📽: Yellowstone National Park

Update! Wet sulfur deposition (AKA acid rain) has decreased by 77% since 2002 in the northeastern United States, and freshwater ecosystems and forests are showing encouraging signs of recovery. Learn more in our just released 2020 Progress Report: https://www3.epa.gov/airmarkets/progress/reports/index.html