Delhi witnessed fresh spells of rain on Monday evening. While the heavy downpour accompanied by gusty winds brought down ...

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

The Air Quality Index (AQI) is a national system developed by the U.S. Environmental Protection Agency (EPA) to translate various air pollutant concentrations into a single, easy-to-understand number.

With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating ...

The Illinois EPA declared an Air Pollution Action Day in the Chicago metro area. See today's air quality index forecast for Illinois.

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 ...

An air quality health advisory for fine particulate matter was issued Tuesday for the Adirondacks and Central New York regions due to the impact of smoke from wildfires in Canada. It was issued by New ...

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 ...

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

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

Canadian wildfire smoke will impact all of Wisconsin throughout the weekend. The air quality index is expected to reach the ...