Air Quality in Brest, France

Windy
18.4°C · 93.6% humidity
18.4°
Feels 18.4°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 2am
9
9
23 5am
19
16
14 8am
13
12
11 11am
10
10
3 2pm
9
2
2 5pm
2
2
2 8pm
2
2
2 11pm
2
2
Station readings
16
6
4
CAMS model adj -25
34
34
34
34
34
34
34
34
34
34
34
34
27
34
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

Brest'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.

93.6%
Humidity
71.4 km/h
Wind WSW
1011.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.44 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Brest?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.44 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
5.44
Median
6.27
Average
1.12
Low
8.9
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.9

What is the 7-day forecast for Brest?

07-22
21.1° 16.1°
0.31 mm
07-23
19.8° 16.4°
0.13 mm
07-24
19.6° 16.0°
6.38 mm
07-25
23.1° 13.6°
0.06 mm
07-26
22.5° 12.3°
0.25 mm
07-27
21.5° 16.3°
7.81 mm
07-28
25.7° 16.0°
0.13 mm
Both models agree Avg diff: 1.7°C

Where are air quality stations near Brest?

26
Ecole Jean Macé, Brest, France
0.5 km PM2.5: 6.2 µg/m³
28
Ecole Jean Macé, Brest, France
0.5 km PM2.5: 6.7 µg/m³
40
Desmoulins, Brest, France
0.8 km PM2.5: 9.6 µg/m³
38
Desmoulins, Brest, France
0.8 km PM2.5: 9.1 µg/m³
67
Desmoulins, Brest, France
0.8 km PM2.5: 19.7 µg/m³
6
Desmoulins, Brest, France
0.8 km PM2.5: 1.4 µg/m³
4
france-gouesnou-impasse-croiseur-montcalm
6.3 km PM2.5: 0.9 µg/m³ PM10: 0.9 µg/m³
37
Plougastel-Daoulas, Château d'eau
8.4 km PM2.5: 8.8 µg/m³ PM10: 8.8 µg/m³

What cities are near Brest?

28 Landerneau 20 Douarnenez 20 Quimper 42 Morlaix 20 Concarneau 43 Lannion 39 Ploemeur 54 Lorient 56 Lanester 58 Pontivy
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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 2026-07-22T03:16 UTC.