Air Quality in Hérouville-Saint-Clair, France

Windy
16.1°C · 80.7% humidity
16.1°
Feels 16.1°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 3pm
10
10
29 6pm
24
20
17 9pm
15
14
13 12am
12
11
11 3am
11
10
10 6am
10
10
10 9am
10
10
10 12pm
17
17
Station readings
27
18
1
5
CAMS model adj -17
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
34
34
AD 728×90

Air Quality Index Trend

48h · 1 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.

80.7%
Humidity
117.7 km/h
Wind NNE
1018.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
6.88 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.56.88 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (4 stations within 25 km)
6.88
Median
7.41
Average
1.92
Low
10.6
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.5

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

05-29
16.1° 9.8°
0.13 mm
05-30
13.9° 11.4°
1.13 mm
05-31
21.7° 12.9°
06-01
21.5° 9.9°
06-02
16.9° 11.0°
2.5 mm
06-03
17.3° 9.7°
06-04
19.6° 18.0°
3.75 mm
Both models agree Avg diff: 3.8°C

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

5
france-cambes-en-plaine-rue-de-la-serpe
5.6 km 32.0°C 35.2% RH PM2.5: 1.1 µg/m³ PM10: 1.9 µg/m³
74
Caen Chemin-Vert Square Schuman, France
6.5 km PM2.5: 23.0 µg/m³
15
Caen Chemin-Vert Square Schuman, France
6.5 km PM2.5: 3.6 µg/m³
109
Ifs Rue Paul Claudel, France
7.4 km PM2.5: 38.7 µg/m³
27
Ifs Rue Paul Claudel, France
7.4 km PM2.5: 6.5 µg/m³

What cities are near Hérouville-Saint-Clair?

36 Caen 29 Bayeux 33 Lisieux 42 Le Havre 40 Montivilliers 41 Argentan 38 Flers 35 Saint-Lô 30 Fécamp 52 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 2026-05-29T16:44 UTC.