The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

In the midst of issuing a state advisory due to poor air quality, the DNR explains why its happening, how long it will last, ...

The heat and humidity mixed with smoke resulted in a "code orange" alert for Philly and its suburban counties.

While we will catch a little break in the haziness throughout the day, it's this evening through the overnight that we will ...

It expires on Friday at midnight, due to elevated levels of fine particulate (PM2.5), the Department of Environment, Great ...

The Pennsylvania Department of Environmental Protection declared a Code Orange Air Quality Action Day for Wednesday, due to ...

Smoke from Canadian wildfires will contribute to poor air quality throughout Michigan on Wednesday and Thursday.

Canada is facing another dangerous wildfire season, with burning forests sending smoke plumes across the provinces and into ...

Wildfire smoke from Canada has triggered air quality alerts across New York and the Northeast, with hazy skies and unhealthy ...

An air quality alert was issued by the New York State Department of Health on Saturday due to smoke from wildfires in Canada.

A special air quality statement has been issued for Toronto and southern Ontario as wildfire smoke from the Prairies drifts ...

Map of air quality from the Minnesota Pollution Control Agency. The air quality in areas colored red are considered to be ...