Guelph, Ontario, Canada Air Quality

Monitoring Station · Guelph, Canada
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 3pm
63
63
63 6pm
63
63
64 9pm
64
64
64 12am
64
66
66 3am
73
6am
9am
12pm
CAMS model adj +39
25
24
24
24
24
24
25
25
25
25
25
27
27
34
PM2.512.0 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T18:01 UTC.