Air Quality in St. John's, Canada

Windy
10.6°C · 94.6% humidity
10.6°
Feels 10.6°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
24 8pm
24
24
13 11pm
16
18
20 2am
21
22
23 5am
23
23
23 8am
24
24
24 11am
24
24
24 2pm
24
25
25 5pm
25
25
AD 728×90

Air Quality Index Trend

31h · 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.

94.6%
Humidity
56.2 km/h
Wind S
1017.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
13
3.12 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

31h · 1 station
PM2.53.12 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
3.12
Median
6.1
Average
3.1
Low
9.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.8

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

06-09
10.6° 3.8°
3.06 mm
06-10
12.7° 7.0°
1.06 mm
06-11
7.2° 5.7°
0.87 mm
06-12
7.9° 5.0°
2.31 mm
06-13
11.7° 6.0°
06-14
14.6° 7.6°
11.38 mm
06-15
12.4° 4.4°
1.38 mm
Both models agree Avg diff: 3.8°C

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

17
St. John's, NewFoundland, Canada
0.5 km PM2.5: 4.1 µg/m³
2
St. John's, NewFoundland, Canada
0.5 km PM2.5: 0.5 µg/m³
13
Mount Pearl, NewFoundland, Canada
9.3 km PM2.5: 3.1 µg/m³
38
Mount Pearl, NewFoundland, Canada
9.3 km PM2.5: 9.1 µg/m³
23
Mount Pearl, NewFoundland, Canada
9.3 km PM2.5: 5.5 µg/m³

What cities are near St. John's?

37 Mount Pearl 32 Paradise 30 Conception Bay South 26 Saint-Pierre
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:17 UTC.