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

The Commission for Air Quality Management (CAQM) in NCR and adjoining areas said it held a review earlier in the day and ...

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.

The Delhi Directorate of Education has directed schools to shift to hybrid classes for students up to Class 9 and Class 11 ...

AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

Los Angeles is now a week removed from the day that multiple devastating wildfires erupted to torch tens of thousands of ...

The Oregon Department of Environmental Quality issued an air quality advisory Wednesday for Klamath County, southern Lake ...

Here's what to know about improving your air quality at home during a wildfire—these expert tips help you breathe easier when ...

The Oregon DEQ has issued an air quality advisory for parts of Oregon due to stagnant air trapping pollutants.

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