Hamilton Downtown, Ontario, Canada

Monitoring Station · Hamilton, Canada
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
65 5am
65
65
68 8am
65
65
65 11am
65
65
65 2pm
65
65
65 5pm
65
65
— 8pm
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— 11pm
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— 2am
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Station readings
68
CAMS model adj +11
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Trend (24h)

PM2.520.2 µg/m³ ×1.3 WHO
Moderate
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Nearby Monitoring Stations

59
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 15.9 µg/m³
55
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
59
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 15.9 µg/m³
65
Hamilton
0.9 km PM2.5: 18.8 µg/m³
53
Hamilton
0.9 km PM2.5: 13.1 µg/m³
57
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 15.0 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
55
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 14.0 µg/m³

Nearby Cities

59 Hamilton 45 Waterdown 53 Stoney Creek 49 Ancaster 39 Burlington 52 Grimsby 34 Oakville 32 Milton 61 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T08:58 UTC.