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

Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several Midwestern states ...

Michigan's air quality suffers due to Canadian wildfires, with advisories in place affecting numerous counties. What ...

EDT on Friday, the National Weather Service reported an air quality alert in effect until Saturday at midnight EDT for Van ...

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

As Canadian wildfires burn, plumes of smoke move across Michigan. Officials issued an air quality advisory on June 6 for the ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Hazy skies from fires are reminiscent of 2023 when Chicago was the second-most-polluted major city in the country.

A pulmonologist recommends limiting outdoor exposure to minutes when AQI exceeds 150, and notes smoky conditions from ...

Illinois environmental officials are warning residents about air quality concerns as wildfire smoke from Canada persists in ...

Air quality reached unhealthy levels across the state Thursday as smoke from the Canadian wildfires drifted south.

An air quality advisory is in effect through noon Friday. Canadian wildfire smoke is pushing fine particulate matter, known ...