What is the air quality in Ottawa today?

The current Air Quality Index (AQI) in Ottawa is 49 (Good). PM2.5 concentration is 11.85 µg/m³.

What is the temperature in Ottawa right now?

The current temperature in Ottawa is 26.2°C (feels like 26.2°C). Humidity is 65.4% and wind speed is 33.0 km/h.

Is it safe to go outside in Ottawa?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 17.4 (Extreme).

Air Quality in Ottawa, United States

Partly Cloudy

26.2°C · 65.4% humidity

26.2°

Feels 26.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 12pm

49 3pm

33 6pm

27 9pm

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View AQI history for Ottawa →

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.

65.4%

Humidity

33.0 km/h

Wind NE

1014.9 hPa

Pressure

17.4

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

11.85 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Ottawa?

Temperature & Precipitation

PM2.511.85 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX17.4

Extreme

What is the 7-day forecast for Ottawa?

07-21

26.2° 21.8°

0.62 mm

07-22

25.3° 18.5°

0.13 mm

07-23

21.6° 15.8°

17.75 mm

07-24

26.6° 13.7°

07-25

23.0° 15.2°

0.19 mm

07-26

23.9° 19.7°

2.75 mm

07-27

26.3° 19.1°

0.06 mm

Both models agree Avg diff: 4.4°C

What cities are near Ottawa?

48 Yorkville 55 Oswego 62 Shorewood 55 Montgomery 55 Aurora 38 DeKalb 62 Crest Hill 62 Joliet 55 North Aurora 61 Lockport

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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 2026-07-21T20:45 UTC.