Periods of extreme heat often lead to increased exposure to ground-level ozone, in addition to other negative effects. This ...

The National Weather Service issued air quality alerts on Monday for millions of Americans in Wisconsin, Michigan, ...

An air quality alert in the Chicago area has been extended for another day as Canadian wildfire smoke continues to plague the ...

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

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...

Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

"Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors," the ...

Smoke from hundreds of wildfires in Canada is drifting south, prompting an air quality alert in Ohio, according to a news ...

Ground-level ozone is especially damaging to the respiratory system. It harms airways and makes lungs susceptible to infection, and many people report coughs or scratchy throats, and pain while ...

Northeast Ohio is under an air quality alert until midnight Monday, August 4. Here's what's causing the poor air quality and ...

Long Island will reach highs in the mid 80s on Tuesday, and see temperatures in the low 80s the rest of the week.

Unhealthy air quality is expected in southern Rhode Island on Tuesday, July 29, due to high ground-level ozone. Residents are ...