The state of Minnesota is entering another in a long string of summer days marred by air quality alerts. Poor air quality ...

Air quality warnings covering the whole state are expected to remain in place through Saturday due to Canadian wildfire smoke ...

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

On Friday, the Minnesota Pollution Control Agency extended the current air quality alert for all of Minnesota and Wisconsin ...

Friday morning, Chicago's air quality showed a PM 2.5 of 157. Typically, anything above 100 is considered to be hazardous to at least some groups, and anything over 150 is considered to be “unhealthy, ...

The MPCA says that sensitive groups should avoid prolonged or heavy exertion, and everyone should limit their time spent ...

An air quality alert is in effect until early Sunday morning. Matthew Snyder is an environmental specialist with the Iowa DNR ...

Off and on through this summer, and especially in the past few days, Milwaukee's air quality measurements have deteriorated ...