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 ...

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

Missoula is under an Air Stagnation Advisory until Friday. But, what exactly does that mean? Let's learn more about ...

I’m very happy to say what we studied, what we expected and what we planned for is what seems to be happening,” the MTA’s ...

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

I just found an amazing deal on the Shark HC452 3-in-1 Air Purifier—it’s now $149.99, a huge 63% off the regular price of ...

Retrofitting with modern HVAC units equipped with higher-efficiency filters and smart sensors can help to reduce airborne ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

"They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening on the kind ...

By sunrise on Wednesday, however, air quality reached hazardous levels that threatened people’s health. This is happening more and more often, a USA TODAY analysis of U.S. EPA data shows.