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

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

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

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

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

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

The National Weather Service has issued a Red Flag Warning for most of San Diego County amid another round of Santa Ana winds.

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