What is the air quality in Nepean today?

The current Air Quality Index (AQI) in Nepean is 22 (Good). PM2.5 concentration is 5.25 µg/m³.

What is the temperature in Nepean right now?

The current temperature in Nepean is 1.8°C (feels like -1.7°C). Humidity is 45.1% and wind speed is 12.5 km/h.

Is it safe to go outside in Nepean?

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

Air Quality in Nepean, Canada

Clear

1.8°C · 45.1% humidity

1.8°

Feels -1.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

23 4pm

22 7pm

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Station readings

Air Quality Index Trend

47h · 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.

45.1%

Humidity

12.5 km/h

Wind E

1029.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.25 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Nepean?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.55.25 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

5.25

Median

5.1

Average

4.3

Low

5.8

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +3.0

What is the 7-day forecast for Nepean?

10-20

6.3° 1.9°

10-21

14.6° 1.8°

10-22

13.0° 2.6°

0.31 mm

10-23

10.4° 2.6°

0.56 mm

10-24

16.3° 1.3°

1.63 mm

10-25

12.6° 6.2°

21.62 mm

10-26

9.7° 3.0°

1.06 mm

Both models agree Avg diff: 5.0°C

Where are air quality stations near Nepean?

–

Westboro

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

Ottawa

9.7 km PM2.5: 5.5 µg/m³

Ottawa

9.7 km PM2.5: 5.3 µg/m³

Ottawa

9.7 km PM2.5: 5.5 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 5.3 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 5.3 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 5.3 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 4.8 µg/m³

Ottawa Downtown, Ontario, Canada

11.5 km PM2.5: 6.0 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

13.9 km PM2.5: 4.6 µg/m³

What cities are near Nepean?

23 Ottawa South 22 Gloucester 23 Alta Vista 23 Ottawa 23 Centretown 21 Aylmer 23 Hull 24 Vanier 22 Kanata 18 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 2026-10-20T23:41 UTC.