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

That’s according to IQAir’s Air Quality and Pollution City Ranking, which is updated hourly, the air pollution advocacy ...

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

Another air quality alert has been issued for the NYC area today, and it has expanded to include Long Island and New Jersey.

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

Some areas may only see a few hours of alert-level smoke concentrations due to the relatively fast movement of the ...

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

Milwaukee has the 2nd worst air quality in the U.S. on June 5, per NYT. An air quality advisory across the state has also ...

The Michigan Air Quality Division said as smoke from Canadian wildfires continues to threaten the upper Midwest, "monitors in ...

An air quality alert has been issued for NYC and N.J. on Wednesday, as smoke from the Canadian wildfires blows into the ...

An air quality alert remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...

Canadian wildfires continue to burn, and plumes of smoke linger over Michigan. Air quality advisories, alerts on June 5.