Air Quality Ontario

Port Stanley: station information

Monday, November 17, 2025, 9:00 am

Port Stanley Air Monitoring Station

Photo: Port Stanley Ambient Air Monitoring Site

Map of Ontario with Port Stanley

Station data for Port Stanley
Station information
Station name:	Port Stanley
Address:	43665 Dexter Line, Elgin Water T. Plt
Latitude:	42.672127
Longitude:	-81.162948
Station type:	Rural
Height of air intake:	5 m
Elevation ASL:	212 m
Pollutants measured:	O₃, PM_2.5, NO₂

Measured pollutants at Port Stanley
Pollutant	Measured 1-hour concentration
O₃	27 ppb
PM_2.5	2 µg/m³
NO₂	2.3 ppb

Ontario 1-hour AAQC for the measured pollutants
Pollutant	Ontario 1-hour AAQC
O₃	80 ppb
NO₂	200 ppb

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