Air Quality in Ottawa, United States
Partly Cloudy
24.2°C · 57.6% humidity
24.2°
Feels 24.2°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Ottawa's air quality — share it
AQI Forecast
24
5pm
24
24
20
8pm
21
24
23
11pm
26
33
53
2am
54
34
27
5am
27
27
24
8am
24
24
24
11am
24
24
24
2pm
24
24
Ottawa's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
57.6%
Humidity
32.4 km/h
Wind NNE
1018.7 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.82 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Ottawa?
Temperature & Precipitation
PM2.54.82 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Ottawa?
08-03
25.2° 17.7°
5.25 mm
08-04
31.2° 15.1°
08-05
30.1° 13.3°
6.75 mm
08-06
35.0° 22.0°
08-07
27.2° 16.5°
08-08
32.1° 18.1°
0.25 mm
08-09
32.2° 23.4°
Both models agree
Avg diff: 3.7°C
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 2026-08-08T01:00 UTC.