Air Quality in Hérouville-Saint-Clair, France

Windy
24.0°C · 43.6% humidity
24.0°
Feels 24.0°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
26 2am
20
21
33 5am
31
30
29 8am
29
28
35 11am
35
34
27 2pm
27
27
27 5pm
25
25
25 8pm
25
27
27 11pm
27
27
Station readings
26
20
21
CAMS model
27
27
27
27
27
27
27
27
27
34
34
34
27
27
27
27
25
25
25
25
27
27
27
27
AD 728×90

Air Quality Index Trend

32h · 2 stn

Hérouville-Saint-Clair'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.

43.6%
Humidity
52.4 km/h
Wind WSW
1013.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hérouville-Saint-Clair?

Temperature & Precipitation

PM2.5 Trend

32h · 2 stations
PM2.57.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
7.9
Median
7.9
Average
7.9
Low
7.9
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -1.8

What is the 7-day forecast for Hérouville-Saint-Clair?

08-03
32.4° 16.7°
4.12 mm
08-04
23.0° 15.6°
0.06 mm
08-05
22.0° 15.5°
08-06
22.7° 14.9°
2.62 mm
08-07
23.4° 12.9°
4.06 mm
08-08
23.1° 13.7°
1.37 mm
08-09
19.2° 14.0°
0.44 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Hérouville-Saint-Clair?

–
france-cambes-en-plaine-rue-de-la-serpe
5.6 km 14.0°C 65.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
26
Caen Chemin-Vert Square Schuman, France
6.5 km PM2.5: 6.2 µg/m³
29
Caen Chemin-Vert Square Schuman, France
6.5 km PM2.5: 7.0 µg/m³
24
Caen Chemin-Vert Square Schuman, France
6.5 km PM2.5: 5.8 µg/m³
23
Ifs Rue Paul Claudel, France
7.4 km PM2.5: 5.5 µg/m³
18
Ifs Rue Paul Claudel, France
7.4 km PM2.5: 4.3 µg/m³
16
Ifs Rue Paul Claudel, France
7.4 km PM2.5: 3.8 µg/m³

What cities are near Hérouville-Saint-Clair?

33 Caen 33 Bayeux 35 Lisieux 13 Le Havre 10 Montivilliers 32 Argentan 39 Flers 34 Saint-Lô 29 Fécamp 41 Alençon
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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 2026-08-08T03:08 UTC.