Hamilton Downtown, Ontario, Canada

Monitoring Station · Hamilton, Canada
107
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
47 4pm
54
54
107 7pm
74
74
54 10pm
54
54
74 1am
74
74
74 4am
74
74
7am
10am
1pm
Station readings
107
CAMS model adj +20
27
34
34
34
54
54
34
34
34
54
54
54
54
54
54
PM2.537.9 µg/m³ ×2.5 WHO
Unhealthy for sensitive groups
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T19:21 UTC.