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A three-judge panel will hear oral argument in a case about dangerous, and often deadly, air pollution that blows across state borders. New York, New Jersey, Environmental Defense Fund and several allies are parties to the case.

The Trump Administration declined to strengthen particulate matter standards.

The worst of times can bring out the best in us — starting with the air we breathe.

This crisis has made the 50th Earth Day a profound reminder that our mission is not only about the world, but about all the people in it.

Trump Administration Refuses to Protect Americans from Dangerous Air Pollution

EDF Files FOIA Request for Information about EPA Pollution Enforcement Waivers

A few months' improvements in air pollution won’t resolve the underlying health conditions that make many people more vulnerable to COVID-19.

Clean Cars Rollback Weakens Life-Saving Protections for America’s Health, Economy, Environment

Air pollution is now the biggest risk for early death, responsible for more than 6 million premature deaths each year. Here are some of the effects of air pollution.

New polling released today shows that a majority of African-Americans across the United States are personally affected by disease and extreme weather made worse by climate change, and support a transition to a 100% clean economy to curb climate pollution.

EDF press release on BLM waste prevention rule

The Trump Administration is once again prioritizing polluters at the expense of the health

EDF believes this process of continuous improvement is foundational for protecting land, water and communities from development-related impacts. That’s why we track what states are up to on a consistent basis.

EDF Vows to Continue Fight Against Air Toxics Loophole after D.C. Circuit Declines to Rehear Case

EDF Defends Clean Air Act’s “Good Neighbor” Provisions in Two D.C. Circuit Cases

Trump Administration Takes Another Step Toward “Deeply Harmful” Clean Cars Rollback

Second Circuit Hears Argument that Trump Administration Should Release Important Information Related to Proposed Clean Cars Rollback

America Needs Serious National Leadership to Reduce Pollution from Heavy Duty Trucks

The EPA Office released a report faulting the agency for its inadequate response to the air pollution in Houston days after Hurricane Harvey in 2017.

Green Groups Ask to Join New York, New Jersey, NYC in Cross-State Air Pollution Case

Behind each box is a complex chain of events that contribute to unhealthy air and a warming planet. As a consumer, you're part of the solution.

The Trump administration has refused to help the state of New York reduce smog-forming pollution that endangers the health of millions of people.

The AQDC is an open-access, open-source data platform that allows people to share and use FAIR (Findable, Accessible, Interoperable, Reusable) data from low- and medium-cost air quality sensors while maintaining necessary data privacy and security.

Pollutants like particulate matter affect our brains' ability to function well in the workplace, research shows.

Request time series air pollution data. The data set used to create the maps and graphics on these web pages is available for download below.