What is the air quality in Ottawa today?

The current Air Quality Index (AQI) in Ottawa is 23 (Good). PM2.5 concentration is 5.4 µg/m³.

What is the temperature in Ottawa right now?

The current temperature in Ottawa is 1.3°C (feels like -2.0°C). Humidity is 49.8% and wind speed is 10.9 km/h.

Is it safe to go outside in Ottawa?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Ottawa, Canada

Clear

1.3°C · 49.8% humidity

1.3°

Feels -2.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

23 4pm

23 7pm

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Station readings

Air Quality Index Trend

47h · 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.

49.8%

Humidity

10.9 km/h

Wind N

1029.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.4 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Ottawa?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.55.4 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

5.4

Median

5.1

Average

4.3

Low

5.8

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +2.8

What is the 7-day forecast for Ottawa?

10-20

5.9° 1.5°

10-21

13.2° 1.3°

10-22

11.8° 1.8°

0.38 mm

10-23

9.4° 2.7°

10-24

13.8° 1.0°

4.5 mm

10-25

12.4° 5.1°

27.19 mm

10-26

9.4° 3.4°

0.75 mm

Both models agree Avg diff: 4.9°C

Where are air quality stations near Ottawa?

Ottawa

1.2 km PM2.5: 5.3 µg/m³

Ottawa

1.2 km PM2.5: 5.5 µg/m³

Ottawa

1.2 km PM2.5: 5.5 µg/m³

Ottawa Downtown, Ontario, Canada

3.1 km PM2.5: 5.3 µg/m³

Ottawa Downtown, Ontario, Canada

3.1 km PM2.5: 6.0 µg/m³

Ottawa Downtown, Ontario, Canada

3.1 km PM2.5: 4.8 µg/m³

Ottawa Downtown, Ontario, Canada

3.1 km PM2.5: 5.3 µg/m³

Ottawa Downtown, Ontario, Canada

3.1 km PM2.5: 5.3 µg/m³

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Westboro

4.2 km 15.0°C 38.8% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

6.2 km PM2.5: 4.6 µg/m³

What cities are near Ottawa?

23 Centretown 23 Hull 23 Ottawa South 24 Vanier 23 Alta Vista 18 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 2026-10-20T23:40 UTC.