After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

The following contains links to social media websites including Bluesky, X, TikTok, Instagram, Facebook, and LinkedIn. As ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and ...

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

On Wednesday at 6:04 a.m. an air quality alert was issued valid until 7 p.m. The alert is for Eastern San Fernando Valley, ...

An air quality alert was issued on Monday at 8:08 p.m. in effect until Wednesday at 7 p.m. The alert is for Joshua Tree, ...

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, ...

The improvement in air quality coincided with the revocation of Stage 4 of the Graded Response Action Plan (Grap) on Thursday ...

Dense fog disrupts traffic in outer Delhi, delays trains across Northern India, impacting visibility and transportation ...