Air Quality in Rennes, France
Windy
18.1°C · 53.1% humidity
18.1°
Feels 18.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Rennes's air quality — share it
AQI Forecast
Calibrated
7
6pm
7
7
26
9pm
21
17
13
12am
11
10
10
3am
9
8
8
6am
8
7
7
9am
7
7
6
12pm
7
7
7
3pm
7
7
Station readings
47h ago
AQI 9
PM2.5 2.2 µg/m³ · 47h ago
Air Quality Index Trend
24h · 1 stnRennes'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.
53.1%
Humidity
40.6 km/h
Wind N
1026.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Rennes?
Temperature & Precipitation
PM2.5 Trend
24h · 1 stationPM2.56.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.2
Median
6.2
Average
6.2
Low
6.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.3
What is the 7-day forecast for Rennes?
09-05
26.3° 9.9°
0.13 mm
09-06
21.8° 12.2°
0.06 mm
09-07
23.1° 12.6°
0.75 mm
09-08
26.0° 10.9°
0.81 mm
09-09
23.9° 12.7°
0.25 mm
09-10
24.6° 14.8°
09-11
22.5° 14.3°
2.12 mm
Both models agree
Avg diff: 3.5°C
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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 2026-09-05T19:25 UTC.