An air quality alert was in effect for the Chicago area and northwest Indiana Tuesday as poor air quality from unhealthy, elevated ozone and lingering wildfire smoke continues. According to the ...

Air quality in the Chicago area remains poor for the third straight day in a row, with an air quality alert in effect through Wednesday night, along with extremely muggy conditions and the chance ...

An air quality alert in the Chicago area will stretch into a third day as pollutants continue to linger in the air at high levels. According to the National Weather Service, the alert in effect ...

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning. The National Weather Service issued a new air quality alert in effect ...