Nearly half of Americans are breathing in unhealthy levels of polluted air, according to the latest "State of the Air" report ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

You might be breathing polluted air right now — nearly half of Americans are - Climate-driven wildfires and other emissions ...

The Portland metro area lands in the middle of the pack for ozone pollution, according to a new report from the American Lung ...

The NWS San Diego CA reported an air quality alert at 2:17 p.m. on Wednesday in effect until Friday at 7 a.m. for Coachella ...

U.S. Supreme Court justices appeared sympathetic on Wednesday to a bid by fuel producers to challenge California's standards ...

A fast-moving wildfire continues burning in New Jersey’s Pine Barrens as of Wednesday afternoon — already consuming 12,000 ...

Now the agency is going through a complex process outlined under the state’s Air Toxics “Hot Spots” law, enacted in 1987. Usage data, weather patterns and proximity to neighborhoods will be used to ...

The Marguerite Casey Foundation plans to significantly increase donations this year to $130 million to help nonprofits ...

“State of the Air” uses letter grades to measure unhealthy levels of ground-level ozone air pollution (also known as smog), ...

In recent years, the skies over Iowa have repeatedly been clouded by smoke from distant wildfires, which is part of the ...