Air Quality in Ottawa, Canada
Windy
11.5°C · 79.3% humidity
11.5°
Feels 11.5°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
18
5pm
18
18
35
8pm
30
29
26
11pm
24
23
29
2am
29
28
28
5am
28
20
20
8am
18
18
18
11am
18
18
18
2pm
18
18
Station readings
26h ago
AQI 18
PM2.5 4.3 µg/m³ · 26h ago
Air Quality Index Trend
48h · 3 stnOttawa's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
79.3%
Humidity
40.4 km/h
Wind SSW
996.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.36 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ottawa?
Temperature & Precipitation
PM2.5 Trend
48h · 3 stationsPM2.58.36 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
8.36
Median
7.93
Average
7.0
Low
8.4
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.1
What is the 7-day forecast for Ottawa?
06-09
25.9° 9.1°
3.06 mm
06-10
17.3° 10.6°
11.06 mm
06-11
25.9° 9.0°
06-12
21.3° 15.7°
0.75 mm
06-13
27.1° 16.7°
8.0 mm
06-14
25.0° 9.1°
0.19 mm
06-15
21.9° 13.9°
6.81 mm
Both models agree
Avg diff: 6.5°C
Where are air quality stations near Ottawa?
6
Ottawa
8
Ottawa
41
Ottawa
12
Ottawa Downtown, Ontario, Canada
147
Gatineau - secteur de Hull, Quebec, Canada
17
Gatineau - secteur de Hull, Quebec, Canada
18
Gatineau - secteur de Hull, Quebec, Canada
25
Gatineau, Quebec, Canada
83
Gatineau, Quebec, Canada
19
Gatineau, Quebec, Canada
What cities are near Ottawa?
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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 2026-06-09T00:40 UTC.