Canadian wildfire smoke is again putting Minnesota under a statewide air quality alert that will last until 5 p.m. Saturday.

An air quality alert was issued by the National Weather Service in Mount Holly at 3:45 p.m. on Monday, July 28. This warning ...

An air quality alert was issued in Delaware on Tuesday, July 29, as ozone levels reached unhealthy levels for sensitive ...

The North Country and northern Vermont have an Air Quality Alert out because the Air Quality Index (AQI) will straddle the “unhealthy for sensitive groups” and “unhealthy” categories today. Meanwhile, ...

Smoke from Canadian wildfires persisted across the Upper Midwest on Friday, prompting air quality alerts for millions.

If you have breathing problems, be sure to take it easy on Wednesday and limit outdoor time. Air quality will be unhealthy ...

A code orange air quality alert and a heat advisory are in effect across portions of New Jersey and eastern Pennsylvania ...

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

MADISON (WKBT) -- An air quality advisory is issued statewide for Canadian wildfire smoke. According to the Wisconsin DNR, the advisory is in effect from 8:30 a.m. Tuesday to Noon Thursday.

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

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"The New Jersey Department of Environmental Protection has issued a code orange air quality alert Tuesday for Ocean County ...