Castle Street, Saint John, NewBrunswick, Canada

Monitoring Station · Saint John, Canada
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
50 10pm
50
38
37 1am
37
37
37 4am
37
37
37 7am
37
37
37 10am
37
50
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

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

21 Saint John 21 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 2026-04-10T01:53 UTC.