What is the air quality in Castelnau-le-Lez today?

The current Air Quality Index (AQI) in Castelnau-le-Lez is 30 (Good). PM2.5 concentration is 7.15 µg/m³.

What is the temperature in Castelnau-le-Lez right now?

The current temperature in Castelnau-le-Lez is 18.7°C (feels like 18.7°C). Humidity is 42.9% and wind speed is 36.3 km/h.

Is it safe to go outside in Castelnau-le-Lez?

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

Air Quality in Castelnau-le-Lez, France

Clear

18.7°C · 42.9% humidity

18.7°

Feels 18.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

44h · 1 stn

View full history →

Castelnau-le-Lez'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.

42.9%

Humidity

36.3 km/h

Wind N

1018.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.15 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Castelnau-le-Lez?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station

PM2.57.15 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

7.15

Median

8.7

Average

3.36

Low

12.25

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -1.1

What is the 7-day forecast for Castelnau-le-Lez?

10-21

18.7° 7.2°

0.19 mm

10-22

21.9° 11.1°

10-23

15.2° 7.4°

0.31 mm

10-24

15.8° 11.6°

10-25

14.8° 9.4°

10-26

16.8° 10.9°

0.56 mm

10-27

20.0° 8.5°

0.25 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Castelnau-le-Lez?

france-montpellier-boulevard-rabelais

4.1 km 21.8°C 41.0% RH PM2.5: 1.5 µg/m³ PM10: 1.7 µg/m³

Prés d'Arènes, LangedocRoussillon, France

5.1 km PM2.5: 5.3 µg/m³

Prés d'Arènes, LangedocRoussillon, France

5.1 km PM2.5: 5.0 µg/m³

Montpellier Liberte Trafic

6.5 km PM2.5: 11.6 µg/m³ PM10: 25.3 µg/m³

Périurbaine Nord, LangedocRoussillon, France

10.3 km PM2.5: 4.8 µg/m³

Lunel-Viel, LangedocRoussillon, France

16.0 km PM2.5: 7.4 µg/m³

What cities are near Castelnau-le-Lez?

23 Montpellier 30 Lattes 32 Mauguio 27 Lunel 33 Frontignan 30 Sète 32 Nîmes 30 Agde 26 Alès 16 Arles

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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 2026-10-21T10:54 UTC.