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

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

I've lived in Oregon for a decade, meaning I've experienced multiple wildfire seasons. You learn quickly, in these conditions ...

The progress China is making towards cleaning its air has once again been thrown into focus with the publication of the third ...