Castle Street, Saint John, NewBrunswick, Canada

Monitoring Station · Saint John, Canada
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 9am
37
37
50 12pm
50
50
50 3pm
50
50
50 6pm
50
50
50 9pm
50
50
— 12am
—
—
— 3am
—
—
— 6am
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Air Quality Trend (24h)

Nearby Monitoring Stations

36
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
34
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
34
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
39
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
39
Castle Street, Saint John, NewBrunswick, Canada
0.0 km

Nearby Cities

33 Saint John 33 Saint John West 15 Quispamsis 18 Fredericton 18 Fredericton Northside Riverview Lutes Mountain Moncton Dieppe

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T12:48 UTC.