As fire crews continue to battle the devastating blazes that have torn through  Southern California, smoke and particulate ...

The five-member Tuolumne County Air Pollution Control District Hearing Board has been 100% vacant since at least 2020, and ...

On Friday at 2:11 p.m. an air quality alert was issued valid until Saturday at 5 p.m. The alert is for Calabasas and Agoura ...

Reports are our friends and the more reports we create, the better it is for us to really double down on these facilities ...

As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

Certain masks are effective in protecting against wildfire smoke — but only if they are fitted and worn properly.

With levels of sooty air pollution far too high across swaths of the Los Angeles area, Dana Benton is sleeping with a mask on ...

Democrats need to show we can deliver real results on affordability,” said Democratic California state Sen. Scott Wiener of ...

Affected areas include the non-desert portions of Los Angeles, Riverside and San Bernardino counties, and all of Orange ...

U.S. Senator Alex Padilla (D-Calif.) announced that the Environmental Protection Agency (EPA) awarded 15 California projects ...