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
12 6pm
12
33
12 9pm
12
12
12 12am
12
12
12 3am
12
12
12 6am
25
—
— 9am
—
—
— 12pm
—
—
— 3pm
—
—

Air Quality Trend (24h)

View city history →

Nearby Monitoring Stations

36
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
33
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
38
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
40
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
24
Castle Street, Saint John, NewBrunswick, Canada
0.0 km
32
Castle Street, Saint John, NewBrunswick, Canada
0.0 km

Nearby Cities

28 Saint John 28 Saint John West 28 Quispamsis 25 Fredericton 25 Fredericton Northside 22 Riverview 22 Lutes Mountain 22 Moncton 15 Dieppe

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-11T21:14 UTC.