Hamilton Downtown, Ontario, Canada

Monitoring Station · Hamilton, Canada
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
40 6pm
31
51
65 9pm
31
31
31 12am
51
51
51 3am
51
51
51 6am
51
51
— 9am
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—
— 12pm
—
—
— 3pm
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Station readings
40
65
CAMS model adj -3
34
34
54
54
34
34
34
54
54
54
54
54
54
54
54

Air Quality Trend (24h)

PM2.518.8 µg/m³ ×1.3 WHO
Moderate
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Nearby Monitoring Stations

76
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 24.0 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
61
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 16.9 µg/m³
25
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 6.0 µg/m³
40
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 9.6 µg/m³
50
Hamilton West, Ontario, Canada
3.7 km PM2.5: 12.0 µg/m³
74
Hamilton West, Ontario, Canada
3.7 km PM2.5: 23.0 µg/m³
22
Burlington, Ontario, Canada
8.0 km PM2.5: 5.3 µg/m³

Nearby Cities

68 Hamilton 52 Waterdown 60 Stoney Creek 62 Ancaster 46 Burlington 54 Grimsby 49 Oakville 53 Milton 67 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T21:07 UTC.