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Air Quality Ontario

Newmarket: station information

Thursday, December 4, 2025, 10:00 pm

Newmarket Air Monitoring Station

Photo: Newmarket Ambient Air Monitoring Site

Map of Ontario with Newmarket
Station data for Newmarket
Station information
Station name: Newmarket
Address: Eagle St. W./Mccaffrey Rd.
Latitude: 44.044306
Longitude: -79.48325
Station type: Urban
Height of air intake: 5 m
Elevation ASL: 268 m
Pollutants measured: O3, PM2.5, NO2
Measured pollutants at Newmarket
Pollutant Measured 1-hour
concentration
O3 28 ppbOzone [O3]graph
PM2.5 6 µg/m3Fine Particulate Matter [PM2.5]graph
NO2 10.4 ppbNitrogen Dioxide [NO2]graph
Ontario 1-hour AAQC for the measured pollutants
Pollutant Ontario
1-hour AAQC
O380 ppb
NO2200 ppb

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

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