What is the air quality in Nepean today?

The current Air Quality Index (AQI) in Nepean is 9 (Good). PM2.5 concentration is 2.18 µg/m³.

What is the temperature in Nepean right now?

The current temperature in Nepean is 15.6°C (feels like 15.6°C). Humidity is 85.8% and wind speed is 31.9 km/h.

Is it safe to go outside in Nepean?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Nepean, Canada

Cloudy

15.6°C · 85.8% humidity

15.6°

Feels 15.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

13 5am

9 8am

13 11am

13 2pm

13 5pm

13 8pm

13 11pm

13 2am

Station readings

CAMS model adj -11

Air Quality Index Trend

46h · 2 stn

View full history →

Nepean's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

85.8%

Humidity

31.9 km/h

Wind N

1010.6 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.18 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Nepean?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations

PM2.52.18 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (4 stations within 25 km)

2.18

Median

2.57

Average

1.4

Low

4.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +3.6

What is the 7-day forecast for Nepean?

09-05

24.4° 13.2°

0.44 mm

09-06

25.0° 13.9°

7.69 mm

09-07

19.5° 12.2°

0.69 mm

09-08

20.2° 11.3°

5.19 mm

09-09

22.8° 10.8°

0.13 mm

09-10

21.7° 11.6°

4.69 mm

09-11

25.7° 9.5°

Both models agree Avg diff: 4.2°C

Where are air quality stations near Nepean?

–

Westboro

6.9 km 18.0°C 74.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Ottawa

9.7 km PM2.5: 4.1 µg/m³

Ottawa

9.7 km PM2.5: 3.1 µg/m³

Ottawa

9.7 km PM2.5: 3.1 µg/m³

Ottawa

9.7 km PM2.5: 3.1 µg/m³

Ottawa

9.7 km PM2.5: 1.4 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 4.3 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 3.1 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 1.4 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

13.9 km PM2.5: 3.4 µg/m³

What cities are near Nepean?

8 Ottawa South 9 Gloucester 8 Alta Vista 6 Ottawa 6 Centretown 10 Aylmer 7 Hull 7 Vanier 9 Kanata 17 Gatineau

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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 2026-09-05T12:11 UTC.