Air Quality in Hérouville-Saint-Clair, France

Windy
18.1°C · 61.3% humidity
18.1°
Feels 18.1°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
32 3pm
33
33
32 6pm
30
30
30 9pm
30
30
37 12am
30
30
37 3am
30
30
30 6am
30
30
30 9am
30
30
28 12pm
28
27
Station readings
32
33
33
33
CAMS model adj +3
27
27
27
27
27
27
27
27
27
34
27
27
34
27
27
27
27
27
27
27
27
25
25
24
AD 728×90

Air Quality Index Trend

44h · 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.

61.3%
Humidity
96.0 km/h
Wind NE
1027.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

44h · 2 stations
PM2.57.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (4 stations within 25 km)
7.7
Median
7.67
Average
6.7
Low
8.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.5

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

09-05
25.1° 10.6°
09-06
22.1° 14.0°
0.38 mm
09-07
21.6° 14.9°
16.44 mm
09-08
24.7° 13.1°
0.81 mm
09-09
20.1° 10.6°
0.81 mm
09-10
23.4° 15.2°
09-11
17.2° 13.2°
1.56 mm
Both models agree Avg diff: 2.8°C

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

–
france-cambes-en-plaine-rue-de-la-serpe
5.6 km 26.0°C 39.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
33
Caen Chemin-Vert Square Schuman, France
6.5 km PM2.5: 7.9 µg/m³
33
Caen Chemin-Vert Square Schuman, France
6.5 km PM2.5: 7.9 µg/m³
34
Ifs Rue Paul Claudel, France
7.4 km PM2.5: 8.2 µg/m³
34
Ifs Rue Paul Claudel, France
7.4 km PM2.5: 8.2 µg/m³

What cities are near Hérouville-Saint-Clair?

32 Caen 33 Bayeux 28 Lisieux 31 Le Havre 26 Montivilliers 30 Argentan 34 Flers 32 Saint-Lô 29 Fécamp 35 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 2026-09-05T16:42 UTC.