Smoke from Canadian wildfires has impacted the air quality throughout United States, including in the northern High Plains, Midwest, Great Lakes, southern Mid-Atlantic and into the Northeast. This has ...

Air quality alerts use color-coded categories to show when pollution levels may be unhealthy. Code Orange is unhealthy for sensitive groups, while Code Red is unhealthy for everyone. Code Purple means ...

(WHTM) — If you thought air quality was bad in Code Red conditions, there are two worse levels. The Pennsylvania Department of Environmental Protection (DEP) uses the U.S. Environmental Protection ...

Wildfire smoke or ozone pollution can cause air quality to drop due to all the particles in the air. The Pennsylvania Department of Environmental Protection issues air quality alerts when the air ...

NEW YORK CITY - Wildfire smoke can push air quality into dangerous territory quickly, triggering color-coded alerts that range from Code Orange to Code Red, Code Purple and even Code Maroon. What we ...

TORONTO, ON- JULY 15 - A swimmer checks out the view of the smoke from Northern Ontario forest fires that has the City of Toronto skyline shrouded in haze as viewed from Humber Park West in Toronto.