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

"They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening on the kind ...

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

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

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

Ash from the wildfires, which can irritate your skin or lungs, falls out of the air and settles onto the ground and therefore ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

IQAir reports health-harming PM 2.5 levels across Thailand, with Mueang Phra Nakhon Si Ayutthaya Municipality worst hit at US ...