Castle Street, Saint John, NewBrunswick, Canada

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 7am
37
37
33 10am
37
50
50 1pm
50
50
50 4pm
50
50
50 7pm
50
50
— 10pm
—
—
— 1am
—
—
— 4am
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

36
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
40
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
36
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
35
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

Nearby Cities

32 Saint John 32 Saint John West 13 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 2026-04-10T10:53 UTC.