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Air Quality Ontario

Hamilton Downtown: station information

Tuesday, December 23, 2025, 11:00 am

Hamilton Downtown Air Monitoring Station

Photo: Hamilton Downtown Ambient Air Monitoring Site

Map of Ontario with Hamilton Downtown
Station data for Hamilton Downtown
Station information
Station name: Hamilton Downtown
Address: Elgin St./kelly St.
Latitude: 43.25778
Longitude: -79.861664
Station type: Urban
Height of air intake: 4 m
Elevation ASL: 90 m
Pollutants measured: O3, PM2.5, NO2, CO, SO2
Measured pollutants at Hamilton Downtown
Pollutant Measured 1-hour
concentration
O3 6 ppbOzone [O3]graph
PM2.5 12 µg/m3Fine Particulate Matter [PM2.5]graph
NO2 24.5 ppbNitrogen Dioxide [NO2]graph
CO 0.37 ppmCarbon Monoxide [CO]graph
SO2 0 ppbSulphur Dioxide [SO2]graph
Ontario 1-hour AAQC for the measured pollutants
Pollutant Ontario
1-hour AAQC
O380 ppb
NO2200 ppb
CO 30 ppm
SO240 ppb

Note: N/A (not available) denotes invalid or missing data.

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