Air Quality in Mont-Saint-Aignan, France

Windy
20.9°C · 67.4% humidity
20.9°
Feels 20.9°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
43 3pm
43
43
37 6pm
37
38
39 9pm
39
40
40 12am
40
41
43 3am
43
43
43 6am
43
43
43 9am
43
43
43 12pm
43
43
Station readings
42
40
37
42
CAMS model adj +16
27
27
27
27
25
25
25
25
25
25
25
25
27
27
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

48h · 1 stn

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. Current PM2.5 concentration in Mont-Saint-Aignan is 1.8× the WHO annual guideline of 5 µg/m³.

67.4%
Humidity
75.1 km/h
Wind NE
1017.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.92 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.58.92 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (7 stations within 25 km)
8.92
Median
10.78
Average
8.2
Low
15.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +1.1

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

05-29
20.9° 9.5°
0.31 mm
05-30
16.5° 11.3°
0.13 mm
05-31
23.4° 12.5°
06-01
24.3° 8.6°
06-02
17.1° 12.6°
4.69 mm
06-03
17.4° 9.7°
06-04
22.9° 17.5°
6.5 mm
Both models agree Avg diff: 3.5°C

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

54
Palais De Justice, Rouen, France
2.3 km PM2.5: 13.5 µg/m³
9
Palais De Justice, Rouen, France
2.3 km PM2.5: 2.2 µg/m³
30
, Quai De Paris - Trafic, Rouen, France
3.0 km PM2.5: 7.2 µg/m³
28
Le Petit-Quevilly SUD3 Trafic, Rouen, France
3.7 km PM2.5: 6.7 µg/m³
109
Le Petit-Quevilly SUD3 Trafic, Rouen, France
3.7 km PM2.5: 38.7 µg/m³
37
france-le-petit-quevilly-rue-de-la-motte
3.7 km 30.5°C 44.0% RH PM2.5: 8.8 µg/m³ PM10: 16.5 µg/m³
42
france-le-petit-quevilly-rue-de-la-motte
3.8 km 17.9°C 96.2% RH PM2.5: 10.2 µg/m³ PM10: 13.5 µg/m³
53
Petit Quevilly - Piscine, Rouen, France
4.7 km PM2.5: 13.1 µg/m³
34
Centre Hospitalier Spécialisé Du Rouvray, Rouen, France
7.0 km PM2.5: 8.2 µg/m³
18
Centre Hospitalier Spécialisé Du Rouvray, Rouen, France
7.0 km PM2.5: 4.3 µg/m³

What cities are near Mont-Saint-Aignan?

35 Rouen 39 Canteleu 45 Sotteville-lès-Rouen 40 Le Petit-Quevilly 42 Le Grand-Quevilly 45 Saint-Étienne-du-Rouvray 46 Elbeuf 53 Louviers 52 Évreux 52 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 2026-05-29T16:31 UTC.