People are taking precautions as multiple wildfires cause poor air quality across a wide swath of Los Angeles County.
Three days after the Commission for Air Quality Management (CAQM) lifted the Graded Response Action Plan (GRAP) III ...
Certain masks are effective in protecting against wildfire smoke — but only if they are fitted and worn properly.
AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...
As wildfires ravage Los Angeles, experts answer key questions about how wildfire smoke affects health and how to protect ...
The fires burning across Los Angeles County have sent billowing plumes of black smoke into the air, posing a major health ...
As smoke pours from the intense wildfires currently scorching Los Angeles, air quality has plummeted across the city due to ...
Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.
As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.
The national capital's 24-hour average air quality index, which was 379 at 4 pm ... The Graded Response Action Plan is a set of anti-pollution measures implemented in the Delhi-NCR region ...