Hamilton Downtown, Ontario, Canada Air Quality
Monitoring Station
· Hamilton, Canada
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
80
10pm
55
80
80
1am
80
80
80
4am
80
60
60
7am
60
60
53
10am
51
51
—
1pm
—
—
—
4pm
—
—
—
7pm
—
—
Station readings
55
CAMS model
adj +26
54
54
54
54
54
54
54
54
34
34
34
34
27
25
25
Air Quality Forecast (24h)
PM2.514.0 µg/m³
✓ WHO
Moderate
Nearby Monitoring Stations
53
Hamilton Downtown, Ontario, Canada
68
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30
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34
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42
Hamilton Downtown, Ontario, Canada
42
Hamilton Mountain, Ontario, Canada
34
Hamilton Mountain, Ontario, Canada
44
Hamilton Mountain, Ontario, Canada
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T01:45 UTC.