After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

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

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.

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 ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

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

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

But there are ways to help make choices around safety and risk, even when the AQI can’t tell us the full picture. How to think about risk and best protect yourself When I attended air quality ...

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

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