2025 Canada wildfires continue to burn, as smoke from the Canadian fires are affecting U.S. air quality in several states, including Indiana. What we know.

2025 Canada wildfires continue to burn, as smoke from the Canadian fires are affecting U.S. air quality in several states, including Indiana. What we know.

What does PM2.5 mean on the air quality index? This unit is used to measure the fine particulate matter in the air, such as, smoke, dust, soot or dirt. The "2.5" figure means particles are 2.5 ...

More than 25,000 residents in three provinces have been evacuated as wildfires remained active and diminished air quality in parts of Canada and the U.S.

Officials issue an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air ...

Canadian wildfires are impacting air quality in the Midwest and Northern Plains. Smoke may cause reduced visibility and respiratory problems. Several states, including Indiana, Illinois, and ...

Air quality alerts remain in effect June 6 for Southeast Michigan 00:54. An air quality map shows conditions improving across the United States on Friday as smoke from the Canadian wildfires ...

The air quality index, or AQI, is a standardized rating system that assesses the severity of air pollution on a scale ranging from 0 to 500. The higher the number, the worse the quality.

An air quality advisory was issued across the Upper Peninsula as smoke from the Canadian wildfires continues to pollute the air. Farther from the plumes , however, Lansing is seeing acceptable air ...

2025 Canada wildfires continue to burn, as smoke from the Canadian fires are affecting U.S. air quality in several states, including Indiana. What we know.