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
55
11pm
80
80
80
2am
80
80
80
5am
60
60
60
8am
60
53
51
11am
51
51
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
CAMS model
adj +26
54
54
54
54
54
54
54
34
34
34
34
27
25
25
25
Air Quality Forecast (24h)
PM2.514.0 µg/m³
✓ WHO
Moderate
Nearby Monitoring Stations
30
Hamilton Downtown, Ontario, Canada
42
Hamilton Downtown, Ontario, Canada
34
Hamilton Downtown, Ontario, Canada
53
Hamilton Downtown, Ontario, Canada
46
Hamilton Downtown, Ontario, Canada
68
Hamilton Downtown, Ontario, Canada
44
Hamilton Mountain, Ontario, Canada
34
Hamilton Mountain, Ontario, Canada
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T02:57 UTC.