Air Quality in Ottawa South, Canada
Windy
20.9°C · 45.3% humidity
20.9°
Feels 20.9°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
42
12am
42
31
47
3am
35
32
37
6am
28
27
23
9am
23
22
22
12pm
22
21
21
3pm
22
22
22
6pm
21
21
21
9pm
21
21
Station readings
42
42
25
CAMS model
adj -3
54
34
34
34
27
27
34
27
27
24
24
24
24
24
24
24
25
25
25
24
24
24
24
24
Air Quality Index Trend
29h · 1 stnOttawa South'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
66.8 km/h
Wind W
1011.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ottawa South?
Temperature & Precipitation
PM2.5 Trend
29h · 1 stationPM2.511.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (3 stations within 25 km)
11.25
Median
11.33
Average
11.0
Low
12.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -3.9
What is the 7-day forecast for Ottawa South?
08-03
24.2° 15.5°
0.06 mm
08-04
26.4° 13.0°
3.88 mm
08-05
23.8° 13.8°
1.06 mm
08-06
27.3° 16.3°
3.5 mm
08-07
21.0° 13.0°
1.06 mm
08-08
22.6° 14.1°
0.5 mm
08-09
32.3° 19.8°
2.06 mm
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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 2026-08-08T07:07 UTC.