Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

An air quality alert from Canadian wildfire smoke will last through the day Wednesday, according to Vermont Emergency ...

Air quality alerts have been issued across 12 states for Wednesday, according to the National Weather Service.

TUESDAY NIGHT: A few clouds. Hazy from wildfire smoke. Lower air quality is expected at times. Low 60F. Wind E at 5 to 10 mph ...