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

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

Smoke coming in from Canadian wildfires settled over Chicago, causing unhealthy air quality conditions for at-risk groups.

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

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

An air quality alert was reported by the National Weather Service on Friday at 11:55 a.m. EDT in effect until Saturday at ...

Detroit currently ranks as the city with the worst air quality in the world as smoke from Canadian wildfires continues to ...

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.

If outdoor travel is unavoidable, a well-constructed, well-fitting and properly worn respirator-type mask (such as a ...

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

Much of southern Ontario was under an air quality statement on Thursday and Friday that lifted early Saturday morning.