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

(The Air Quality Index, which ranges from 0 to 500 ... Chicago area 15th worst in the nation for ozone pollution, with Los Angeles at No. 1. Not everyone was reporting the dangerous air quality ...

Despite decades of progress in reducing air pollution, Los Angeles is still the nation's smoggiest city, according to a ...

UCLA's annual survey reveals growing concerns over the high cost of living and deportation fears among LA County residents.

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

and other environmental health hazards and shared them with the public through the local Air Quality Index. But the ...

As fires burned in Los Angeles this year, newer toxin monitors found contaminants that aren’t measured by standard methods.

When it comes to quality of life in Los Angeles County, a majority of people who responded to the 10th Annual UCLA/Luskin ...

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 ...