Smoke from Canadian wildfires is enveloping the Tri-State area, leading to an air-quality alert that has been extended through the weekend. "Air quality is unhealthy for sensitive groups, including ...

Red areas were considered "unhealthy," while orange ones were "unhealthy for sensitive groups." A map of the Air Quality Index ratings across the country on February 4.

If you were planning to be outdoors on Saturday, you might want to reconsider. That's because an air quality alert has been ...

On Wednesday, March 5, people recieved alerts on their phones saying "unhealthy air quality for sensitive groups." The excess smoke from the fires can be dangerous for some neighbors in those ...

An air quality alert is in effect for nearly the entire state through Friday, but northern and central Minnesota will bear ...

The Canadian wildfire smoke that covered northwest Wisconsin July 24 has moved south and is causing air quality problems in ...

The 'unhealthy for sensitive groups' air quality in Chicago comes as an air quality alert was issued for the entire state of ...

Canadian wildfire smoke no longer lingers in Michigan as of July 18. Southwest Michigan will experience unhealthy air for sensitive groups on July 21.

Air quality in Great Falls was listed as unhealthy for sensitive groups on Saturday, but it didn’t keep some people from getting out and trying to enjoy what should have been a nice summer day.

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 1:52 p.m. on Wednesday, July 23.

The Mid-Ohio Regional Planning Commission has issued an air quality alert for July 23 for four central Ohio counties, ...