Hamilton Downtown, Ontario, Canada

Monitoring Station · Hamilton, Canada
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
55 10am
78
78
63 1pm
51
58
51 4pm
51
49
49 7pm
49
49
51 10pm
51
51
— 1am
—
—
— 4am
—
—
— 7am
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Station readings
55
63
CAMS model adj +24
54
54
54
27
27
34
27
27
25
25
25
25
27
27
27

Air Quality Trend (24h)

PM2.517.8 µg/m³ ×1.2 WHO
Moderate
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Nearby Monitoring Stations

61
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 16.9 µg/m³
61
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 16.9 µg/m³
53
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
25
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 6.0 µg/m³
30
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 7.2 µg/m³
22
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 5.3 µg/m³
70
Hamilton West, Ontario, Canada
3.7 km PM2.5: 21.1 µg/m³

Nearby Cities

58 Hamilton 53 Waterdown 51 Stoney Creek 59 Ancaster 45 Burlington 43 Grimsby 31 Oakville 47 Milton 24 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T13:59 UTC.