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
Ottawa South's air quality — share it
AQI Forecast
Calibrated
36
2am
36
46
47
5am
49
38
36
8am
31
29
28
11am
28
27
27
2pm
27
27
27
5pm
27
26
26
8pm
26
26
26
11pm
26
26
Station readings
25
46
42
CAMS model
adj +2
34
34
27
27
34
27
27
24
24
24
24
24
24
24
25
25
25
24
24
24
24
24
24
24
Air Quality Index Trend
30h · 2 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
30h · 2 stationsPM2.511.25 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
Both models agree
Avg diff: 4.6°C
Where are air quality stations near Ottawa South?
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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 2026-08-08T09:15 UTC.