Air Quality in Rennes, France

Windy
20.3°C · 37.8% humidity
20.3°
Feels 20.3°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 9pm
27
27
32 12am
31
30
36 3am
35
35
35 6am
27
27
27 9am
34
34
34 12pm
54
54
54 3pm
54
34
34 6pm
27
27
AD 728×90

Air Quality Index Trend

39h · 2 stn

Rennes'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.

37.8%
Humidity
49.1 km/h
Wind ESE
1011.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.79 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Rennes?

Temperature & Precipitation

PM2.5 Trend

39h · 2 stations
PM2.57.79 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
7.79
Median
7.43
Average
5.8
Low
9.8
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -1.3

What is the 7-day forecast for Rennes?

07-21
29.8° 13.1°
0.31 mm
07-22
26.7° 18.2°
0.5 mm
07-23
22.1° 17.6°
0.06 mm
07-24
19.8° 14.4°
3.62 mm
07-25
31.6° 11.2°
07-26
24.8° 11.5°
9.31 mm
07-27
27.1° 15.8°
11.31 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Rennes?

45
Thabor, Rennes, France
0.5 km PM2.5: 10.8 µg/m³
54
Thabor, Rennes, France
0.5 km PM2.5: 13.5 µg/m³
50
Thabor, Rennes, France
0.5 km PM2.5: 12.0 µg/m³
21
Thabor, Rennes, France
0.5 km PM2.5: 5.0 µg/m³
33
Thabor, Rennes, France
0.5 km PM2.5: 7.9 µg/m³
55
Bd René Laënnec, Rennes, France
0.7 km PM2.5: 14.0 µg/m³
35
Bd René Laënnec, Rennes, France
0.7 km PM2.5: 8.4 µg/m³

What cities are near Rennes?

30 Cesson-Sévigné 38 Vitré 44 Fougères 34 Saint-Malo 41 Laval 39 Mayenne 32 La Chapelle-sur-Erdre 32 Carquefou 36 Saint-Brieuc 31 Orvault
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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 2026-07-21T22:50 UTC.