Air Quality in Fredericton, Canada
Clear
25.9°C · 45.3% humidity
25.9°
Feels 25.9°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Fredericton's air quality — share it
AQI Forecast
27
11am
27
27
26
2pm
25
25
25
5pm
25
25
25
8pm
27
25
27
11pm
27
27
27
2am
27
27
25
5am
25
25
25
8am
24
24
Fredericton's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
45.3%
Humidity
23.7 km/h
Wind S
1017.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fredericton?
Temperature & Precipitation
PM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
What is the 7-day forecast for Fredericton?
07-21
25.9° 15.5°
30.69 mm
07-22
24.4° 13.3°
07-23
24.5° 17.1°
6.75 mm
07-24
24.8° 13.6°
3.31 mm
07-25
20.4° 17.4°
4.56 mm
07-26
27.2° 13.8°
0.5 mm
07-27
27.5° 12.7°
Both models agree
Avg diff: 2.3°C
What cities are near Fredericton?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:19 UTC.