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

The hazardous air quality in Los Angeles is largely a result of smoke from the Pacific Palisades Fire, intensified by strong ...

The Oregon Department of Environmental Quality issued an air quality advisory Wednesday for Klamath County, southern Lake ...

Wildfires in Los Angeles County continued to burn on Monday, January 13, 2025, as firefighters worked to contain portions of ...

Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't ...

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

A map from AirNow suggests that the air quality around Los Angeles and Anaheim, California, is unhealthy as the Palisades ...

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

Depending on the fire, the smoke can be made up of various substances, including carbon dioxide, carbon monoxide, water vapor ...

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.