AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

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

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

Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and ...

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

Millions of Los Angeles County residents are facing extremely hazardous air quality as wildfires continue to burn. The air ...

Smoke from the raging Southern California wildfires is filling city skylines, causing officials to warn residents of poor air ...

Good (Green): 0-50 AQI means there is little or no health risk associated with air quality. Moderate (Yellow): 51-100 AQI ...

LA's wildfires pushed AQI to "moderate," but Delhi's air hit a hazardous 410, highlighting its chronic pollution crisis and ...

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