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

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

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

Retrofitting with modern HVAC units equipped with higher-efficiency filters and smart sensors can help to reduce airborne ...

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 ...

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

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 ...

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

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 ...

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the Eaton Fire – and their measurements are now publicly available.