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 6pm
38
50
75 9pm
50
50
50 12am
37
37
37 3am
37
37
37 6am
37
—
— 9am
—
—
— 12pm
—
—
— 3pm
—
—

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
37
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
24
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 10 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 2026-04-09T21:10 UTC.