A few showers and storms are likely on Thursday. Highs reach the upper 80s, with tropical levels of humidity. Friday turns mostly dry, with lots of sunshine. It will be cooler and much less humid.

While some organizations have published clear air quality thresholds or contingency protocols for wildfire smoke, FIFA’s ...

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes ...

CHICAGO (WLS) -- An air quality alert was issued by the National Weather Service for the Chicago area. Chopper 7 captured as ...