After the fires get under control, wind could help push some particles out of the air, as will gravity with some larger ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

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

Chandigarh: Over a 48-hour period, the city experienced its most dramatic air quality deterioration this month, shifting from ...

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

A thick blanket of haze continued to envelop Mumbai on Wednesday, reducing visibility as the city witnessed high humidity ...

UW-Stevens Point forest ecology professor Mike Tiller discussed whether wildfires like those in the Los Angeles area could ...

Wildfire smoke causes particularly dangerous air quality, especially for sensitive groups including children and pregnant people.

Pollution in EU cities, while slowly improving, is still killing more than a quarter million people each year, a new report ...

Following power plant closures and EPA intervention, Detroit and Downriver are seeing lower levels of SO2 pollution. One ...

In the days after the devastating wildfires, air monitors recorded some of the highest levels of air pollution in recent ...

What we’re really worried about is the PM2.5 levels,” or the fine particles in wildfire smoke, which have a diameter of less ...