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Air Quality Ontario

Toronto West: station information

Thursday, July 3, 2025, 1:00 am

Toronto West Air Monitoring Station

Photo: Toronto West Ambient Air Monitoring Site

Map of Ontario with Toronto West
Station data for Toronto West
Station information
Station name: Toronto West
Address: 125 Resources Rd.
Latitude: 43.709444
Longitude: -79.5435
Station type: Urban
Height of air intake: 8 m
Elevation ASL: 141 m
Pollutants measured: O3, PM2.5, NO2, CO, SO2
Measured pollutants at Toronto West
Pollutant Measured 1-hour
concentration
O3 20 ppbOzone [O3]graph
PM2.5 36 µg/m3Fine Particulate Matter [PM2.5]graph
NO2 22 ppbNitrogen Dioxide [NO2]graph
CO 0.3 ppmCarbon Monoxide [CO]graph
SO2 0.5 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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