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

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

Government measures fall short, experts say, as air quality index (AQI) readings become more hazardous in Thai capital.

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

Weather conditions are trapping smoke and other air pollutants near the ground where people breathe, officials said.

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

The air quality in the national capital has once again deteriorated, falling into the 'very poor' category on Wednesday ...

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...