The air quality index over eastern Pennsylvania and New Jersey is in the orange range due to Canadian wildfire smoke, meaning the air is unhealthy to sensitive groups.

As of Tuesday morning, the Air Quality Index in Milwaukee was between 115 to 120, which falls in the "unhealthy for sensitive groups" category.

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 1:52 p.m. on Wednesday, July 23.

The Air Quality Index (AQI) reached reached warning levels on Sunday — hanging out consistently above 100 — meaning the elderly, people with respiratory problems and other vulnerable groups ...

As of Tuesday morning, the Air Quality Index in Milwaukee was between 115 to 120, which falls in the "unhealthy for sensitive groups" category.

The U.S. Air Quality Index listed a moderate air quality across the Jersey Shore, with an index of 82 in Asbury Park and 84 in Toms River as of late Sunday morning.

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 1:52 p.m. on Wednesday, July 23.

Canadian wildfire smoke returns, bringing haze to Michigan. As of July 25, advisories are in effect for the U.P. and northern Lower Peninsula.

Smoke from Canadian wildfires enveloped the Tri-State Area leading to an air-quality alert that was extended through the weekend.

An air quality alert from the state Department of Environmental Conservation, in effect until midnight Sunday, includes the Capital Region, Adirondacks, Hudson Valley, New York City and Long Island.

Millions of Americans across four states have been urged to stay indoors and avoid strenuous activity this weekend as air quality plummets to dangerous levels and smoke drifts south from massive ...

Canadian wildfire smoke is affecting air quality in Michigan's Upper Peninsula, with some areas reaching unhealthy levels for sensitive groups. Air quality readings in several UP locations range ...