Chicago will see near-90 temperatures, high humidity, and poor air quality today, with storm chances returning tonight.

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...

Wildfire smoke drifting over the Washington, D.C., area is making the skies look hazy and negatively affecting air quality.

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

Millions of Americans have been urged to avoid driving amid concerns over high air pollution levels. Air quality alerts were ...

A touch of wildfire smoke is expected to drift over the Washington, D.C., region Thursday, bringing a slight haze but no major air quality concerns.

Northeast Wisconsin has finally ended its streak of nine days under an air quality advisory. Smoke from massive Canadian ...

The summer of deadly flash flooding continues, with two people killed by flash flooding near Spring Hope, North Carolina, when their car was swept away by flood waters.

Air quality alerts continue for millions as wildfire smoke crosses the border from Canada. Plus, the intense heat fueling ...

For the first time since Saturday, state officials haven’t issued an air quality health alert as the smoke from Canadian ...

Canada is having its second worst wildfire season yet. Two scientists explain what a red air alert means and how anyone living in impacted areas can protect themselves.

Freeway corridor near Santa Clarita, Western San Gabriel Mountains/Highway 14 Corridor and Eastern San Gabriel Mountains are under an air quality alert which was reported by the National Weather ...