The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

Canadian wildfire smoke lingers over the Greater Lansing area on June 6. The entire Lower Peninsula is under an air quality ...

The classifications are based on a federal measurement system called the Air Quality Index. The Air Quality Index is used nationwide to measure the severity of air pollution and categorize the ...

An air quality alert for central Ohio was extended today, June 8, as haze from Canadian wildfires continues to cloud the ...

As Canadian wildfires burn, Greater Lansing is seeing smoke, haze. On June 5, most of the Lower Peninsula is under an air ...

Canadian wildfires, along with high temperatures, are partly to blame for hazy skies and foul air. But passing storms may ...

Wildfires in Canadian provinces of Manitoba and Saskatchewan are creating smoke visible in Michigan. How to use the air ...

A measure called the Air Quality Index gauges just how bad the air has become in a particular place. Readings of 100 or higher usually serve as a warning to people who have respiratory conditions ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

BUFFALO, N.Y. — Once again, an Air Quality Alert has been issued for Western New York until Sunday night. The alert runs ...

Environment Canada's air quality index has reported moderate to high risk since Saturday morning in Calgary, as many parts of ...

Michigan's air, which has been tainted for several days by wafting smoke from Canadian wildfires, is expected to improve over ...