What is the air quality in Ottawa today?

The current Air Quality Index (AQI) in Ottawa is 21 (Good). PM2.5 concentration is 5.05 µg/m³.

What is the temperature in Ottawa right now?

The current temperature in Ottawa is 9.9°C (feels like 7.1°C). Humidity is 94.4% and wind speed is 21.6 km/h.

Is it safe to go outside in Ottawa?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Ottawa, Canada

Drizzle

9.9°C · 94.4% humidity

9.9°

Feels 7.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

24 2am

21 5am

24 8am

25 11am

25 2pm

25 5pm

25 8pm

25 11pm

Air Quality Index Trend

48h · 3 stn

View full history →

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.

94.4%

Humidity

21.6 km/h

Wind NE

1015.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.05 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Ottawa?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations

PM2.55.05 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (4 stations within 25 km)

5.05

Median

5.05

Average

4.8

Low

5.3

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.8

What is the 7-day forecast for Ottawa?

05-30

19.1° 6.9°

2.5 mm

05-31

24.8° 8.8°

0.06 mm

06-01

24.8° 16.2°

0.06 mm

06-02

19.0° 8.7°

0.06 mm

06-03

26.9° 16.6°

06-04

21.9° 11.2°

0.13 mm

06-05

22.4° 11.5°

9.0 mm

Both models agree Avg diff: 5.0°C

Where are air quality stations near Ottawa?

Ottawa

1.2 km PM2.5: 16.4 µg/m³

106

Ottawa

1.2 km PM2.5: 37.5 µg/m³

Ottawa

1.2 km PM2.5: 9.8 µg/m³

Ottawa Downtown, Ontario, Canada

3.1 km PM2.5: 5.8 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

6.2 km PM2.5: 5.5 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

6.2 km PM2.5: 4.3 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

6.2 km PM2.5: 4.8 µg/m³

Gatineau, Quebec, Canada

7.3 km PM2.5: 6.0 µg/m³

Gatineau, Quebec, Canada

7.3 km PM2.5: 2.9 µg/m³

Gatineau, Quebec, Canada

7.3 km PM2.5: 4.6 µg/m³

What cities are near Ottawa?

21 Centretown 21 Hull 21 Ottawa South 21 Vanier 21 Alta Vista 21 Gatineau 21 Gloucester 21 Aylmer 21 Nepean 20 Templeton-Est

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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 2026-05-30T09:09 UTC.