CHICAGO - Today we have an air quality alert in effect with unhealthy levels of smoke in the air. We also have high waves ...

Wildfire smoke carries large amounts of particulates and gases. These can act as ozone precursors, causing air to exceed the ...

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

Air quality alerts are in effect for the city of Chicago, as smoke has pushed down from the wildfires in Canada. The EPA has ...

Iowa will be blanketed by hazy skies for the next few days with the air quality index spiking and causing poor conditions for sensitive Iowans.