A departing cold front along the Northeast coast has allowed for cooler, drier, more comfortable air to leak in across all ...

The Air Quality Index is calculated through measuring six major pollutants: ozone, carbon monoxide, nitrogen dioxide, sulfur dioxide, and two sizes of particulate matter, known as PM2.5 and the ...

If you’ve looked outside and noticed a cloud of haze in the air, you’re likely witnessing the impact of the wildfires burning ...

If you live in the Houston area, you might have noticed that air quality alerts are issued throughout the year by the U.S.

Despite thick smoke in the sky today in southern Colorado, air quality alerts haven't been issued - instead they've been in the western slope. In fact - sometimes invisible compounds pose more risk.

Northeast Ohio is under an air quality alert until midnight Monday, August 4. Here's what's causing the poor air quality and ...