The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

Forecasters are warning that air pollution may become trapped and adversely affect humans, due to weather conditions in the U.S.

Millions of people living in California have been warned against doing any outdoor activity because of bad air quality amid ...

According to the Air Quality Early Warning System for Delhi, the air quality is likely to be in the poor category from ...

"Light winds and limited air movement will lead to a period of stagnant air conditions," NWS said, warning of "deteriorating ...

After multiple severe wildfires engulfed the area this month, residents have been increasingly concerned about widespread air quality warnings. The blazes, driven by intense Santa Ana winds and ...

San Diego is fighting two battles--- wildfires and air quality. Experts warn of exposure to smoke following Border 2 fire.

Tainan, Hsinchu city and county, Chiayi city and county, and Yunlin County, as well as the outlying Kinmen, Lienchiang and ...

On Wednesday, a sheriff's official warned deputies about "hazardous" airborne contaminants near the Eaton fire.

This Community Information message is being issued for areas north of the Grampians National park. . * Smoke from fires and burning out operations in the Grampians National Park is drifting northerly ...

A dust storm is likely to cause unsettled conditions in two popular holiday destinations in the Canary Islands, the state ...

This is what’s missing when education leaders urge schools to return to normalcy too soon after crises or disasters.