Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
44 2am
64
64
64 5am
64
44
44 8am
44
37
37 11am
37
35
35 2pm
35
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— 5pm
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— 8pm
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— 11pm
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CAMS model adj +10
34
54
54
54
54
34
34
34
27
27
27
25
25
25

Air Quality Forecast (24h)

PM2.513.1 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

34
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
13
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 3.1 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
31
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 7.4 µg/m³
21
Hamilton West, Ontario, Canada
3.7 km PM2.5: 5.0 µg/m³
34
Hamilton West, Ontario, Canada
3.7 km PM2.5: 8.2 µg/m³
16
Burlington, Ontario, Canada
8.0 km PM2.5: 3.8 µg/m³
34
Burlington, Ontario, Canada
8.0 km PM2.5: 8.2 µg/m³

Nearby Cities

32 Hamilton 34 Waterdown 33 Stoney Creek 34 Ancaster 35 Burlington 33 Grimsby 37 Oakville 35 Milton 33 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T05:06 UTC.