The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

An annual report from the American Lung Assn. showed that Los Angeles has improved its air quality but still deserves its ...

The American Lung Association’s report ranks the Atlanta metro area as the third-worst in the Southeast for ozone pollution.

The iconic skyline of downtown Los Angeles has been clouded by smog for decades, so this title should come as no surprise to Angelenos. Yet again, L.A. is the smoggiest city in the U.S., according ...

The air agency doesn’t plan to monitor the air or take any immediate steps to protect schools and households from the gas, ...

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 project on four lots will not only replace long-standing blight with majestic trees, but could also improve air quality and help ... about 150 miles north of Los Angeles.

Los Angeles is the smoggiest U.S. city for the 25th time in 26 years, despite reducing unhealthy ozone days by 40% since 2000 ...

Visalia is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the American ...

Increasingly dry conditions due to global warming compounded by reductions in forest management practices presage a dramatic ...