A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th ...

Fireworks are happening across the city again this year, which poses two issues–highly concentrated pollution, and uniquely ...

A controversial bill on how best to clean up the air at California ports gets a hearing today in Sacramento. Senate Bill 34 ...

The Madre Fire, now the largest wildfire in California this year, expanded to 79,630 acres by Saturday, July 5, prompting ...

Fourth of July fireworks could prompt hazardous air quality across parts of Southern California this weekend, authorities ...

Poor air quality caused by ozone and other sources prompted the warnings across six states on Thursday and Friday.

The Los Padres National Forest, Cal Fire in San Luis Obispo, and Bureau of Land Management have been coordinating the ...

Air quality is uniquely terrible after all those official and illegal fireworks are detonated to celebrate Independence Day.

The Madre Fire in central California expanded to nearly 53,000 in one day, making it the largest wildfire this year in ...