Canadian wildfire smoke is affecting air quality in parts of Michigan. The EPA's air quality index (AQI) uses a color-coded scale to inform the public about air quality and associated health risks.

The Sacramento region's air quality reached "unhealthy for sensitive groups" level on Thursday morning, according to IQAir.

An air quality alert continues for the entire Chicago area Friday, with poor air quality due to smoke from Canada wildfires expected to stick around all day and even into Saturday, the NBC 5 Storm ...

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for Tuesday, July 15, across large portions of upstate New York due to elevated levels of fine ...

Currently, the Air Quality Index (AQI) of Louisiana is approximately 35, which indicates a good air quality. The AQI scale ranges from zero to 500, with lower numbers, such as those between zero and ...

Smoke from Canadian wildfires is once again impacting air quality in the Chicago area, with air quality index readings Thursday morning in the "unhealthy" category for some suburbs, according to ...

It wasn’t that long ago that few people were monitoring the air—not the government, not its citizens. Today, weather apps provide estimates of outdoor air quality, and the government’s own air quality ...

Canadian wildfire smoke continues to affect Michigan, causing hazy skies and reduced air quality, especially in the Upper Peninsula and northern parts of the state. Resources like the MiAir Quality ...

Temperatures are climbing into the 90s and heat index values into the 100s, prompting a heat advisory for the region. Scorching temperatures combined with the high humidity are expected Thursday, July ...

Between 2024 and 2025, Jacksonville's air quality conditions declined from "A" to "B" in the American Lung Association’s “State of the Air” report, stating that residents are being exposed to more ...