Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast. Air ...

At 9:01 a.m. on Tuesday, the National Weather Service reported an air quality alert in effect until Wednesday at midnight for ...

More warmth and more noticeable humidity will build in for the rest of the week. Highs will be into the mid to upper 80s ...

Smoke from wildfires burning in Canada has caused air quality alerts for parts of New York state, including New York City.

Residents with respiratory sensitivities advised to limit outdoor activities as smoky conditions persist with temperatures ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity and gusty winds.

Wisconsin's air quality Aug. 5 is improving from yesterday, but the DNR's alert is still at the Unhealthy for Sensitive Groups and Unhealthy levels.