Air Quality in Brest, France

Drizzle
18.2°C · 91.9% humidity
18.2°
Feels 18.2°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
3 12am
1
1
30 3am
22
16
11 6am
8
6
4 9am
3
2
2 12pm
1
2
2 3pm
1
1
1 6pm
8
8
8 9pm
8
8
Station readings
3
0
CAMS model adj -26
27
27
27
25
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
34
34
34
34
34
AD 728×90

Air Quality Index Trend

46h · 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.

91.9%
Humidity
85.2 km/h
Wind WSW
1014.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.13 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Brest?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.57.13 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
7.13
Median
2.25
Average
0.29
Low
7.2
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -1.0

What is the 7-day forecast for Brest?

08-03
38.0° 15.6°
5.94 mm
08-04
23.3° 12.8°
08-05
21.2° 14.4°
0.31 mm
08-06
20.4° 15.6°
1.37 mm
08-07
23.8° 13.2°
4.56 mm
08-08
21.9° 13.6°
3.75 mm
08-09
19.6° 15.7°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Brest?

30
Ecole Jean Macé, Brest, France
0.5 km PM2.5: 7.2 µg/m³
29
Ecole Jean Macé, Brest, France
0.5 km PM2.5: 7.0 µg/m³
29
Ecole Jean Macé, Brest, France
0.5 km PM2.5: 7.0 µg/m³
30
Ecole Jean Macé, Brest, France
0.5 km PM2.5: 7.2 µg/m³
29
Ecole Jean Macé, Brest, France
0.5 km PM2.5: 7.0 µg/m³
29
Desmoulins, Brest, France
0.8 km PM2.5: 7.0 µg/m³
27
Desmoulins, Brest, France
0.8 km PM2.5: 6.5 µg/m³
29
Desmoulins, Brest, France
0.8 km PM2.5: 7.0 µg/m³
–
france-gouesnou-impasse-croiseur-montcalm
6.3 km PM2.5: 0.1 µg/m³ PM10: 0.1 µg/m³
4
Plougastel-Daoulas - Château d'eau, France
8.4 km PM2.5: 1.0 µg/m³

What cities are near Brest?

7 Landerneau 25 Douarnenez 25 Quimper 20 Morlaix 25 Concarneau 21 Lannion 28 Ploemeur 23 Lorient 21 Lanester 25 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 2026-08-08T01:01 UTC.