Air Quality in Cesson-Sévigné, France

Drizzle
19.4°C · 84.1% humidity
19.4°
Feels 19.4°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
34 2pm
27
27
52 5pm
45
40
36 8pm
34
30
28 11pm
27
27
26 2am
26
26
25 5am
25
25
25 8am
25
25
25 11am
27
27
AD 728×90

Air Quality Index Trend

24h · 1 stn

Cesson-Sévigné'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. Current PM2.5 concentration in Cesson-Sévigné is 2.5× the WHO annual guideline of 5 µg/m³.

84.1%
Humidity
81.8 km/h
Wind NNE
1015.3 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.6 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Cesson-Sévigné?

Temperature & Precipitation

PM2.5 Trend

24h · 1 station
PM2.512.6 µg/m³ ✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (1 station within 25 km)
12.6
Median
12.6
Average
12.6
Low
12.6
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -5.2

What is the 7-day forecast for Cesson-Sévigné?

05-29
19.4° 9.7°
1.63 mm
05-30
18.5° 9.5°
2.81 mm
05-31
23.5° 13.6°
06-01
28.8° 10.0°
06-02
17.3° 11.8°
3.31 mm
06-03
18.2° 8.9°
0.06 mm
06-04
22.2° 16.3°
8.5 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Cesson-Sévigné?

50
Bd René Laënnec, Rennes, France
4.9 km PM2.5: 12.0 µg/m³
30
Bd René Laënnec, Rennes, France
4.9 km PM2.5: 7.2 µg/m³
57
Thabor, Rennes, France
5.2 km PM2.5: 15.0 µg/m³
29
Thabor, Rennes, France
5.2 km PM2.5: 7.0 µg/m³
15
Thabor, Rennes, France
5.2 km PM2.5: 3.6 µg/m³
37
Thabor, Rennes, France
5.2 km PM2.5: 8.9 µg/m³

What cities are near Cesson-Sévigné?

52 Rennes 52 Vitré 37 Fougères 52 Laval 39 Saint-Malo 44 Mayenne 57 La Chapelle-sur-Erdre 57 Carquefou 57 Orvault 23 Saint-Brieuc
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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 2026-05-29T15:14 UTC.