The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...

Officials warn southeast Michigan residents to be careful outdoors Tuesday because of expected high ozone pollution levels.

Many communities in Arizona, Michigan, Illinois, New York and across North America are experiencing poor air quality due to ...

The National Weather Service reported an air quality alert at 12:35 p.m. EDT on Monday in effect until Wednesday at midnight ...

Efforts to clean up air pollution in China and across East Asia may have inadvertently contributed to a spike in global warming, a new study has found. The decline in aerosol emissions — which can ...

The 'unhealthy for sensitive groups' air quality in Chicago comes as an air quality alert was issued for the entire state of ...

Satellite data suggests cloud darkening is responsible for much of the warming since 2001, and the good news is that it is a ...

The Canadian wildfires are expected to track east and south, expanding in Michigan as Sunday goes on and additional smoke is ...

The Michigan Department of Environment, Great Lakes, and Energy expects particle pollution to reach the Unhealthy for ...

A new study found that air pollution can cause lung cancer in people who have never smoked, and can damage the organ in ...

New research suggests that being exposed to air pollution for long periods can have similar effects to smoking and aging.

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...