Castle Street, Saint John, NewBrunswick, Canada

Monitoring Station · Saint John, Canada
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
33 8pm
12
12
12 11pm
12
12
12 2am
12
12
12 5am
12
25
25 8am
25
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— 11am
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— 2pm
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— 5pm
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Air Quality Trend (24h)

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Nearby Monitoring Stations

35
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
40
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
32
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
36
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
38
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
36
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
24
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
34
Castle Street, Saint John, NewBrunswick, Canada
0.0 km

Nearby Cities

26 Saint John 26 Saint John West 26 Quispamsis 25 Fredericton 25 Fredericton Northside 20 Riverview 20 Lutes Mountain 20 Moncton 13 Dieppe

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-11T23:09 UTC.