What is the air quality in Ottawa today?

The current Air Quality Index (AQI) in Ottawa is 32 (Good). PM2.5 concentration is 7.7 µg/m³.

What is the temperature in Ottawa right now?

The current temperature in Ottawa is 12.0°C (feels like 12.0°C). Humidity is 70.6% and wind speed is 36.9 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, United States

Cloudy

12.0°C · 70.6% humidity

12.0°

Feels 12.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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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.

70.6%

Humidity

36.9 km/h

Wind ESE

1023.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.7 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Ottawa?

Temperature & Precipitation

PM2.57.7 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Ottawa?

10-21

21.9° 12.0°

1.13 mm

10-22

15.8° 7.0°

10-23

11.7° 7.4°

0.88 mm

10-24

22.9° 8.7°

10-25

14.5° 2.1°

0.06 mm

10-26

18.3° 2.9°

2.81 mm

10-27

11.4° -0.2°

Both models agree Avg diff: 5.0°C

What cities are near Ottawa?

33 Yorkville 50 Oswego 28 Shorewood 50 Montgomery 50 Aurora 28 DeKalb 28 Crest Hill 28 Joliet 50 North Aurora 28 Lockport

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T01:06 UTC.