Hamilton Downtown, Ontario, Canada

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
19 12am
55
58
46 3am
46
46
46 6am
46
46
46 9am
46
46
46 12pm
46
46
— 3pm
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— 6pm
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— 9pm
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Station readings
55
CAMS model adj -8
27
66
66
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Trend (24h)

PM2.514.0 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

63
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 17.8 µg/m³
55
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
68
Hamilton
0.9 km PM2.5: 20.2 µg/m³
65
Hamilton
0.9 km PM2.5: 18.8 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
53
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 13.1 µg/m³
46
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 11.0 µg/m³
65
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 18.8 µg/m³

Nearby Cities

59 Hamilton 46 Waterdown 53 Stoney Creek 52 Ancaster 40 Burlington 52 Grimsby 46 Oakville 23 Milton 25 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T03:54 UTC.