What is the air quality in Ottawa today?

The current Air Quality Index (AQI) in Ottawa is 23 (Good). PM2.5 concentration is 5.44 µg/m³.

What is the temperature in Ottawa right now?

The current temperature in Ottawa is 6.9°C (feels like 1.8°C). Humidity is 68.6% and wind speed is 40.5 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

6.9°C · 68.6% humidity

6.9°

Feels 1.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

24 10pm

23 1am

24 4am

24 7am

24 10am

25 1pm

25 4pm

25 7pm

Air Quality Index Trend

48h · 2 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.

68.6%

Humidity

40.5 km/h

Wind NW

1021.1 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.44 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Ottawa?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations

PM2.55.44 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (5 stations within 25 km)

5.44

Median

4.98

Average

4.1

Low

5.5

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.4

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: 4.7°C

Where are air quality stations near Ottawa?

Ottawa

1.2 km PM2.5: 12.0 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: 26.8 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?

23 Centretown 23 Hull 22 Ottawa South 23 Vanier 22 Alta Vista 17 Gatineau 22 Gloucester 21 Aylmer 22 Nepean 21 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 2026-05-30T05:23 UTC.