With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating ...

The Canadian wildfires are expected to track east and south, expanding in Michigan as Sunday goes on and additional smoke is expected Monday.

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 9:26 a.m. on Wednesday, July 16.

An air quality alert was issued by the National Weather Service in Green Bay at 11:55 a.m. on Tuesday, July 15.

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Prepare for soaring temperatures near 100° and smoky air. Avoid the outdoors during peak heat hours for better air quality ...

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

Experts are trying to refine emergency alerts, as the GTA experienced some of the worst air quality in the world this week. Data released by the community platform Nextdoor Canada showed that roughly ...

By far the best option is to avoid bad air entirely. Traffic is a major source of pollution, and sunlight triggers a rise in ...

Treating drinking water to tackle multiple pollutants could prevent more than 50,000 cancer cases in the U.S., a new study found.

Campaigners and the community in Sheffield are rallying in a National Day of Action against plastic pollution this Saturday, 19 July. The Surfers Against Sewage “The People vs Plastic” campaign will ...