What is happening with air quality right now? Many North Americans have never experienced local air quality as bad as it's been this week. The air quality has been poor across the most densely ...

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

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

MINNEAPOLIS — Poor air quality in the Twin Cities due to Canadian wildfire smoke has caused the KARE 11 Weather team to issue ...

An air quality alert in the Chicago area will stretch into a third day as pollutants continue to linger in the air at high ...

The primary pollutant from the smoke that’s causing the poor air quality is fine particulate matter (also known as PM-2.5), according to the state Department of Environmental Protection.

The air quality in Arlington has reached the worst level on the scale -- "hazardous." As of 9 a.m. the federal government website AirNow says Arlington's AQI, or air quality index, is 313.

Bad air, now what? Knowing your air quality is bad is one thing, but understanding why it’s bad and how to fix it can take some serious detective skills, and in some cases, ...

The national average air quality index in 2023 was 38, according to IQAir, a Swiss air quality technology company. More than 100 nations had cleaner air , on average, than the United States, and ...

Indoor air-quality sensors make the invisible visible. ... “We’re trying to figure out what can we learn from this to keep ourselves safe right now,” Mr. Harris said, ...