Scorching hot temperatures, likely soaring into the triple digits, will settle across Denver and the Front Range -- ...

Los Angeles County is the focus of an air quality alert reported at 2:49 p.m. on Thursday by the National Weather Service.

While official data was not finalized, a meteorologist said it was clear Palm Springs had its hottest Aug. 7 ever Thursday.

Though wildfire smoke was to credit for poor air quality earlier in the week, Wednesday's alert is due to high-levels of ozone in the air.

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 12:20 p.m. on Thursday, Aug. 7.

According to the National Weather Service, the air quality alert remains in effect through midnight in parts of the Chicago ...

Millions of Americans have been urged to avoid driving amid concerns over high air pollution levels. Air quality alerts were issued across parts of Illinois, Colorado, Wyoming, and Arizona on Thursday ...

For the first time since Saturday, state officials haven’t issued an air quality health alert as the smoke from Canadian wildfires should be subsiding. Winds from the south are expected to flow into ...