Air Quality in Peterborough, Canada
Clear
29.8°C · 30.2% humidity
29.8°
Feels 29.8°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Peterborough's air quality — share it
AQI Forecast
Calibrated
18
10am
18
18
64
1pm
53
45
39
4pm
35
32
30
7pm
22
18
18
10pm
17
17
17
1am
17
16
16
4am
16
16
16
7am
16
15
Station readings
18h ago
AQI 38
PM2.5 9.1 µg/m³ · 18h ago
CAMS model
adj -9
27
27
27
34
34
34
34
34
34
34
27
24
25
25
25
25
25
25
25
25
25
25
25
24
Air Quality Index Trend
7h · 1 stnPeterborough's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Peterborough is 1.2× the WHO 24-hour guideline of 15 µg/m³.
30.2%
Humidity
36.9 km/h
Wind NE
1014.2 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
18.1 µg/m³
PM10
59.3 µg/m³
050100150200300500
What is the weather forecast for Peterborough?
Temperature & Precipitation
PM2.5 Trend
7h · 1 stationPM2.518.1 µg/m³
×1.2 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX10.9
Extreme
What is the 7-day forecast for Peterborough?
07-21
29.8° 20.2°
0.38 mm
07-22
26.7° 17.0°
07-23
18.4° 13.4°
07-24
24.2° 13.2°
07-25
25.5° 14.0°
1.81 mm
07-26
28.0° 16.5°
0.75 mm
07-27
29.5° 19.3°
Both models agree
Avg diff: 3.6°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:17 UTC.