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.

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

Air quality in Pittsburgh is improving, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health and has been a problem in Pittsburgh for ...

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.

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

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

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

Oregon DEQ issues air quality advisory for several counties due to air stagnation trapping smoke and pollutants.

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 ...