Canadian wildfire smoke is infiltrating the Midwest on Tuesday and the air in Chicago has deteriorated to the Air Quality Index’s “very unhealthy” category.

The AQI in hazy Chicago reached 250 on Tuesday afternoon. Any number over 100 is considered unhealthy for sensitive groups.

  • Buck Fucket
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    21 year ago

    Mid-Ohio, seeing the haze as well. Figures it was from Canada with the smell in the air. Wishing the responders to the wildfires all the best in smothering the flames.