The DEC has issued an air quality health advisory for most of upstate New York due to elevated levels of fine particulate ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

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

Here's one way to remember the Boilermaker forever.

The newer AQHI takes into account the health effects and environmental concerns associated with varying concentrations of pollution, two factors the AQI does not. AQHI measures the impact of air ...

Wisconsin, Minnesota and Indiana all have air quality alerts, while Chicago's air quality currently ranks in the "unhealthy for sensitive groups" category.

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

Several fires are burning across the Inland Northwest, leaving impacts on Spokane's air quality.

Expect another smoggy day in metro Detroit. The Southeast Michigan Council of Governments (SEMCOG) has declared its eighth Air Quality Advisory of the season for Tuesday, July 15, citing elevated ...

An Air Quality Health Advisory due to the wildfires in Canada has been issued for Niagara County through 11:59 p.m. today. The advisories are issued when DEC meteorologists predict levels of pollution ...

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

Wildfire season is upon us once again, and smoke is reducing air quality through swaths of the country. Environment Canada ...