Canadian Wildfire Smoke — Impact on the Chicago Area

A live, auto-updating look at wildfire smoke reaching the Chicago area: animated daily smoke plume extent and satellite fire detections from NOAA's Hazard Mapping System, alongside hourly Chicago-area PM2.5/AQI readings from the EPA AirNow API. Currently showing Aug 12 – Aug 19, 2026, refreshed automatically each day.

By Brian Bergstrom · bergstromgis.com

AQI Legend
Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (301+)