What is the air quality in Cachan today?

The current Air Quality Index (AQI) in Cachan is 38 (Good). PM2.5 concentration is 9.04 µg/m³.

What is the temperature in Cachan right now?

The current temperature in Cachan is 11.8°C (feels like 11.8°C). Humidity is 69.8% and wind speed is 25.4 km/h.

Is it safe to go outside in Cachan?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Cachan, France

Partly Cloudy

11.8°C · 69.8% humidity

11.8°

Feels 11.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

5 11pm

38 2am

16 5am

8 8am

5 11am

4 2pm

5 5pm

3 8pm

Station readings

CAMS model adj -22

Air Quality Index Trend

48h · 1 stn

View full history →

Cachan'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.

69.8%

Humidity

25.4 km/h

Wind NW

1022.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.04 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Cachan?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.59.04 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (6 stations within 25 km)

9.04

Median

6.67

Average

1.13

Low

10.6

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -3.1

Both models agree Avg diff: 3.7°C

Where are air quality stations near Cachan?

Arcueil

1.6 km PM2.5: 1.2 µg/m³ PM10: 1.2 µg/m³

Place Victor Basch, Paris

3.6 km PM2.5: 5.5 µg/m³

Vitry-sur-seine, Paris

3.7 km PM2.5: 10.6 µg/m³

Vitry-sur-seine, Paris

3.7 km PM2.5: 9.8 µg/m³

Paris Stade Lenglen, Paris

6.2 km PM2.5: 5.0 µg/m³

Paris Stade Lenglen, Paris

6.2 km PM2.5: 11.3 µg/m³

Paris Stade Lenglen, Paris

6.2 km PM2.5: 7.9 µg/m³

Paris

6.8 km PM2.5: 7.9 µg/m³

105

Paris

6.8 km PM2.5: 37.1 µg/m³

Paris

6.8 km PM2.5: 4.6 µg/m³

What cities are near Cachan?

37 Arcueil 40 Villejuif 37 Gentilly 39 L'Haÿ-les-Roses 38 Croulebarbe 35 Bagneux 37 Bourg-la-Reine 38 Le Kremlin-Bicêtre 34 Montrouge 34 Fontenay-aux-Roses

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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 2026-06-09T00:41 UTC.