Have you ever noticed the strange, colorful splotches clinging to rocks, tree bark, or even old fences after a rainy day?

Today, the Dyson Purifier Cool TP07 is available at an all-time low on Amazon Prime Day: The discounted price brings the ...

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

Smoke travels hundreds of miles to harm air quality far from the fire, according to the EPA’s Wildfire Smoke and Your Patient ...

The Fourth of July fireworks and wildfires have caused poor air quality in Fresno County, with some areas reaching a level 5, ...

An international study found that air pollution leads to more cancer-related genetic changes than secondhand smoke.

A group of community members in Corona de Tucson is teaming up with the University of Arizona to track air quality in ...

The money will be used to install several air quality sensors in Memphis to track air pollution “around the clock." ...

Canada's environment ministers back tougher air quality standards, citing wildfire smoke and rising health risks from fine ...

The U.S. Environmental Protection Agency has approved a long-pending air quality plan submitted by Louisiana, determining ...