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

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

The Madre Fire, igniting on July 2, 2025, near Highway 166, has surged to become California's largest wildfire this year, scorching over 52,952 acres as of July 4.

As San Luis County's Madre Fire rips through California, air quality warnings are now being issued for nearby areas, ...

[Update: Thu., July 3, 5:36pm] The Madre Fire has expanded to 52,593 acres as of 5:17 p.m. on Thursday, still with only 5 ...

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

An air quality alert was reported by the NWS San Diego CA on Thursday at 2:47 p.m. in effect until Saturday at midnight. The ...

Hundreds of firefighters are working to contain a fast-moving wildfire that erupted near California’s Central Coast on ...

The Bay Area has announced that it will ban gas water heaters starting in 2027 and will eventually ban gas furnaces and other ...

People in the nation’s richest strawberry-growing region have lacked safe drinking water for decades. A Biden administration ...

Smoke often impacts the air quality during fire season, and we heard from the Shasta County air quality district manager ...