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.
Knowing how to read the EPA's Air Quality Index can help you understand whether smoke from numerous Canadian wildfires makes it hazardous to breathe outside air. "The AQI is an index for reporting ...
High winter AQI can harm pregnant women and unborn babies, increasing risks of miscarriage, low birth weight, breathing ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The U.S. Air Quality Index (AQI) is the ...
The Sacramento region's air quality reached "unhealthy for sensitive groups" level on Thursday morning, according to IQAir.
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