What is the air quality in Mont-Saint-Aignan today?

The current Air Quality Index (AQI) in Mont-Saint-Aignan is 28 (Good). PM2.5 concentration is 6.68 µg/m³.

What is the temperature in Mont-Saint-Aignan right now?

The current temperature in Mont-Saint-Aignan is 15.4°C (feels like 15.4°C). Humidity is 62.5% and wind speed is 46.9 km/h.

Is it safe to go outside in Mont-Saint-Aignan?

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

Air Quality in Mont-Saint-Aignan, France

Windy

15.4°C · 62.5% humidity

15.4°

Feels 15.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

25h · 4 stn

View full history →

Mont-Saint-Aignan's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

62.5%

Humidity

46.9 km/h

Wind WSW

1021.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.68 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Mont-Saint-Aignan?

Temperature & Precipitation

PM2.5 Trend

25h · 4 stations

PM2.56.68 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

6.68

Median

5.48

Average

1.0

Low

7.2

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -0.7

What is the 7-day forecast for Mont-Saint-Aignan?

10-21

15.4° 8.7°

13.5 mm

10-22

19.9° 9.8°

2.38 mm

10-23

15.5° 9.9°

16.56 mm

10-24

13.1° 6.9°

0.06 mm

10-25

17.7° 7.6°

1.0 mm

10-26

12.0° 6.6°

1.88 mm

10-27

17.9° 5.3°

2.94 mm

Both models agree Avg diff: 3.4°C

Where are air quality stations near Mont-Saint-Aignan?

Petit Quevilly - Piscine, Rouen, France

4.7 km PM2.5: 7.2 µg/m³

Petit Quevilly - Piscine, Rouen, France

4.7 km PM2.5: 2.2 µg/m³

Centre Hospitalier Spécialisé Du Rouvray, Rouen, France

7.0 km PM2.5: 7.2 µg/m³

Grand Couronne Mairie, Rouen, France

13.2 km PM2.5: 1.0 µg/m³

Base Régionale De Loisirs De Lery-Poses, Rouen, France

19.6 km PM2.5: 6.2 µg/m³

Base Régionale De Loisirs De Lery-Poses, Rouen, France

19.6 km PM2.5: 7.0 µg/m³

Maison Du Parc De Brotonne, Le Havre, France

24.5 km PM2.5: 5.0 µg/m³

Maison Du Parc De Brotonne, Le Havre, France

24.5 km PM2.5: 5.0 µg/m³

What cities are near Mont-Saint-Aignan?

29 Rouen 28 Canteleu 30 Sotteville-lès-Rouen 29 Le Petit-Quevilly 26 Le Grand-Quevilly 28 Saint-Étienne-du-Rouvray 15 Elbeuf 26 Louviers 29 Évreux 29 Vernon

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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 2026-10-21T12:30 UTC.