An air quality alert was issued on Thursday at 3:31 p.m. in effect until Friday at 7:15 a.m. The alert is for Burke Mountains ...

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

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

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

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

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

To combat rising pollution, the Commission for Air Quality Management (CAQM) reimposed Stage 3 of the Graded Response Action ...

Delhi recorded an average AQI of 350 at 6 AM on Friday. The increasing pollution in the region led the Commission for Air ...

People checking the weather on their mobile devices were recently hit with a new and ominous warning that simply read: Air ...

The Maricopa County Air Quality Department wants to find out how much you know about high pollution advisories, no burn days ...

Oregon DEQ issues air quality advisory for several counties due to air stagnation trapping smoke and pollutants.

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the ...