Castle Street, Saint John, NewBrunswick, Canada

Monitoring Station · Saint John, Canada
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 5pm
50
50
50 8pm
75
50
50 11pm
50
37
37 2am
37
37
37 5am
37
—
— 8am
—
—
— 11am
—
—
— 2pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

36
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
37
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
34
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
32
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
35
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
34
Castle Street, Saint John, NewBrunswick, Canada
0.0 km

Nearby Cities

17 Saint John 17 Saint John West 11 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 2026-04-09T20:22 UTC.