Knowing how to read the EPA's Air Quality Index can help you understand whether smoke from numerous Canadian wildfires makes it hazardous to breathe outside air. "The AQI is an index for reporting ...

For updates on local air restrictions, the alert directs Oregonians to the state Department of Environmental Quality.

Motorists drive on Coal Street in Wilkes-Barre Monday afternoon. The air quality index for Wilkes-Barre Monday afternoon was 125, meaning that ‘sensitive groups should take precautions by reducing ...

Using an air purifier nightly could improve sleep and reduce blood pressure for some people. Experts recommend choosing a ...

Pockets of fine particle pollution across areas in both states have reached “unhealthy” levels, according to the EPA.