Air Quality in Rennes, France

Windy
20.3°C · 37.8% humidity
20.3°
Feels 20.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 12am
27
27
28 3am
30
31
32 6am
25
26
26 9am
33
34
34 12pm
54
54
54 3pm
54
34
34 6pm
27
27
27 9pm
25
25
AD 728×90

Air Quality Index Trend

38h · 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▲
28
6.67 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Rennes?

Temperature & Precipitation

PM2.5 Trend

38h · 2 stations
PM2.56.67 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
6.67
Median
6.73
Average
4.8
Low
8.9
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -0.2

What is the 7-day forecast for Rennes?

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
07-28
31.2° 15.8°
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
31
Thabor, Rennes, France
0.5 km PM2.5: 7.4 µg/m³
49
Thabor, Rennes, France
0.5 km PM2.5: 11.8 µg/m³
59
Bd René Laënnec, Rennes, France
0.7 km PM2.5: 15.9 µg/m³
35
Bd René Laënnec, Rennes, France
0.7 km PM2.5: 8.4 µg/m³

What cities are near Rennes?

28 Cesson-Sévigné 39 Vitré 45 Fougères 44 Saint-Malo 28 Laval 40 Mayenne 32 La Chapelle-sur-Erdre 31 Carquefou 42 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 2026-07-22T01:07 UTC.