What is the air quality in Hérouville-Saint-Clair today?

The current Air Quality Index (AQI) in Hérouville-Saint-Clair is 31 (Good). PM2.5 concentration is 7.42 µg/m³.

What is the temperature in Hérouville-Saint-Clair right now?

The current temperature in Hérouville-Saint-Clair is 17.3°C (feels like 17.3°C). Humidity is 60.5% and wind speed is 61.1 km/h.

Is it safe to go outside in Hérouville-Saint-Clair?

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

Air Quality in Hérouville-Saint-Clair, France

Windy

17.3°C · 60.5% humidity

17.3°

Feels 17.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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31 12pm

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— 6pm

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— 9pm

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— 12am

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— 6am

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Station readings

Air Quality Index Trend

38h · 2 stn

View full history →

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.

60.5%

Humidity

61.1 km/h

Wind WSW

1021.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.42 µg/m³

PM10

13.7 µg/m³

050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

38h · 2 stations

PM2.57.42 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

7.42

Median

7.45

Average

7.2

Low

7.7

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -1.4

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

10-21

17.3° 10.1°

0.94 mm

10-22

21.0° 10.5°

1.31 mm

10-23

15.8° 10.3°

17.13 mm

10-24

14.0° 8.2°

0.81 mm

10-25

20.0° 7.4°

1.69 mm

10-26

12.3° 10.7°

2.44 mm

10-27

18.4° 6.1°

10.0 mm

Both models agree Avg diff: 3.3°C

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

–

france-cambes-en-plaine-rue-de-la-serpe

5.6 km 13.0°C 66.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Caen Chemin-Vert Square Schuman, France

6.5 km PM2.5: 7.2 µg/m³

Ifs Rue Paul Claudel, France

7.4 km PM2.5: 6.5 µg/m³

Ifs Rue Paul Claudel, France

7.4 km PM2.5: 7.7 µg/m³

What cities are near Hérouville-Saint-Clair?

30 Caen 30 Bayeux 23 Lisieux 26 Le Havre 23 Montivilliers 22 Argentan 26 Flers 30 Saint-Lô 24 Fécamp 29 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 2026-10-21T10:07 UTC.