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

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 ...

Already known for having some of the worst air quality in the U.S., people in Southern California are now also at risk of ...

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

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

In the current day we wake up to our air purifiers, smartphones warning us that the air quality is in the ‘very poor’ or ...

Arizona is the only state with 'unhealthy' air quality. Part of it stems from our geography, but part also comes from our choices.

Fortunately, the US Environmental Protection Agency has a resource called the Air Quality Index to help monitor air quality.

I've lived in Oregon for a decade, meaning I've experienced multiple wildfire seasons. You learn quickly, in these conditions ...

NCR's air quality on Wednesday invoked curbs under stage 4 of the Graded Response Action Plan (GRAP) amid a sharp dip in air ...