Air Quality in St. John's, Canada

Windy
9.1°C · 74.5% humidity
9.1°
Feels 1.9°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
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Air Quality Index Trend

43h · 1 stn

St. John's's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

74.5%
Humidity
126.1 km/h
Wind WSW
1023.2 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for St. John's?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.55.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low

What is the 7-day forecast for St. John's?

10-21
9.1° 5.6°
0.06 mm
10-22
8.5° 6.9°
10-23
10.5° 6.3°
5.44 mm
10-24
10.6° 6.2°
3.44 mm
10-25
12.0° 6.8°
3.13 mm
10-26
9.0° 6.2°
0.62 mm
10-27
10.6° 5.6°
0.19 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near St. John's?

18
St. John's, NewFoundland, Canada
0.5 km PM2.5: 4.3 µg/m³
10
St. John's, NewFoundland, Canada
0.5 km PM2.5: 2.4 µg/m³
18
St. John's, NewFoundland, Canada
0.5 km PM2.5: 4.3 µg/m³
16
St. John's, NewFoundland, Canada
0.5 km PM2.5: 3.8 µg/m³
17
St. John's, NewFoundland, Canada
0.5 km PM2.5: 4.1 µg/m³
36
St. John's, NewFoundland, Canada
0.5 km PM2.5: 8.6 µg/m³
20
St. John's, NewFoundland, Canada
0.5 km PM2.5: 4.8 µg/m³
15
St. John's, NewFoundland, Canada
0.5 km PM2.5: 3.6 µg/m³
18
Mount Pearl, NewFoundland, Canada
9.3 km PM2.5: 4.3 µg/m³
13
Mount Pearl, NewFoundland, Canada
9.3 km PM2.5: 3.1 µg/m³

What cities are near St. John's?

24 Mount Pearl 24 Paradise 24 Conception Bay South 8 Saint-Pierre
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T00:32 UTC.