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The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many Angelenos aren’t sure if the AQI tells the full story, especially given how ...

Plumes of smoke from the Canadian wildfires are hovering over portions of Michigan. Reading the EPA's Air Quality Index can help you plan your daily activity to ensure it's manageable for your health.

After wildfires burn through urban areas, publicly available air quality assessments may not adequately warn people about harmful air pollutants. Expanding today’s air quality metrics requires more ...

Canadian wildfire smoke is causing air quality advisories and alerts across Michigan. Lansing's air quality was unhealthy as of June 5, with a PM2.5 of 167, prompting recommendations to stay indoors.