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Air Quality Ontario

Toronto North: station information

Monday, November 17, 2025, 9:00 pm

Toronto North Air Monitoring Station

Photo: Toronto North Ambient Air Monitoring Site

Map of Ontario with Toronto North
Station data for Toronto North
Station information
Station name: Toronto North
Address: 4905 Dufferin St., Eccc
Latitude: 43.78047
Longitude: -79.467372
Station type: Urban
Height of air intake: 4 m
Elevation ASL: 186 m
Pollutants measured: O3, PM2.5, NO2, CO, SO2
Measured pollutants at Toronto North
Pollutant Measured 1-hour
concentration
O3 9 ppbOzone [O3]graph
PM2.5 3 µg/m3Fine Particulate Matter [PM2.5]graph
NO2 20.2 ppbNitrogen Dioxide [NO2]graph
CO 0.22 ppmCarbon Monoxide [CO]graph
SO2 0.4 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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