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

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

On Friday at 10:36 a.m. an air quality alert was issued valid until Saturday at 10:45 a.m.

The San Diego APCD has extended an air quality alert due to increased fine particle pollution from wildfire smoke for San ...

Earlier, Grap-3 restrictions were reimposed in Delhi after the city's AQI dropped to 'severe' level on Wednesday (January 29) ...

Missoula is under an Air Stagnation Advisory until Friday. But, what exactly does that mean? Let's learn more about ...

I’m very happy to say what we studied, what we expected and what we planned for is what seems to be happening,” the MTA’s ...

GRAP 3 curbs re-imposed in Delhi-NCR after air quality deteriorates This is a breaking story. Stay tuned for updates.

Even though the Palisades and Eaton fires are now mostly contained, the Santa Ana winds have led to new fires flaring up ...

Delhi’s AQI has been consistently deteriorating due to unfavourable weather conditions and increased emissions from vehicular ...