Hamilton Downtown, Ontario, Canada

Monitoring Station · Hamilton, Canada
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
79 2am
57
57
57 5am
57
57
57 8am
57
57
57 11am
57
30
30 2pm
37
30
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
Station readings
79
61
CAMS model adj +3
54
54
54
54
54
54
54
54
54
54
54
27
27
34
27

Air Quality Trend (24h)

PM2.516.9 µg/m³ ×1.1 WHO
Moderate
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Nearby Monitoring Stations

61
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 16.9 µg/m³
70
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 21.1 µg/m³
59
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 15.9 µg/m³
70
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 21.1 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
63
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 17.8 µg/m³
63
Hamilton West, Ontario, Canada
3.7 km PM2.5: 17.8 µg/m³
63
Hamilton West, Ontario, Canada
3.7 km PM2.5: 17.8 µg/m³

Nearby Cities

63 Hamilton 59 Waterdown 61 Stoney Creek 62 Ancaster 57 Burlington 60 Grimsby 48 Oakville 71 Milton 22 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T05:38 UTC.