Air Quality in Saint John, Canada
Windy
4.1°C · 64.3% humidity
4.1°
Feels -5.4°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
25
3pm
37
37
50
6pm
50
50
75
9pm
50
50
50
12am
37
37
37
3am
37
37
37
6am
37
37
37
9am
37
37
50
12pm
50
50
64.3%
Humidity
122.1 km/h
Wind SSW
1034.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Saint John?
Temperature & Precipitation
PM2.54.56 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Saint John?
04-09
4.1° -1.9°
04-10
8.3° 2.1°
04-11
11.7° 3.3°
04-12
9.8° 1.5°
0.13 mm
04-13
4.0° 2.0°
9.25 mm
04-14
8.4° 4.6°
5.0 mm
04-15
8.6° 6.2°
1.69 mm
Both models agree
Avg diff: 3.0°C
Where are air quality stations near Saint John?
36
Castle Street, Saint John, NewBrunswick, Canada
36
Castle Street, Saint John, NewBrunswick, Canada
34
Castle Street, Saint John, NewBrunswick, Canada
37
Castle Street, Saint John, NewBrunswick, Canada
34
Castle Street, Saint John, NewBrunswick, Canada
32
Castle Street, Saint John, NewBrunswick, Canada
35
Castle Street, Saint John, NewBrunswick, Canada
34
Castle Street, Saint John, NewBrunswick, Canada
24
Castle Street, Saint John, NewBrunswick, Canada
40
Castle Street, Saint John, NewBrunswick, Canada
What cities are near Saint John?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:33 UTC.