Air Quality in Grande-Synthe, France

Windy
13.7°C · 76.0% humidity
13.7°
Feels 13.7°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
27 2pm
34
34
47 5pm
43
34
32 8pm
30
29
29 11pm
28
28
28 2am
34
34
34 5am
27
27
27 8am
27
27
27 11am
27
27
AD 728×90

Air Quality Index Trend

48h · 1 stn

Grande-Synthe'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. Current PM2.5 concentration in Grande-Synthe is 2.3× the WHO annual guideline of 5 µg/m³.

76.0%
Humidity
110.1 km/h
Wind NNE
1021.8 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
47
11.29 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Grande-Synthe?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.511.29 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (5 stations within 25 km)
11.29
Median
9.88
Average
0.2
Low
19.2
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -0.4

What is the 7-day forecast for Grande-Synthe?

05-29
16.2° 12.7°
0.88 mm
05-30
14.4° 12.0°
0.13 mm
05-31
21.8° 11.7°
0.19 mm
06-01
16.3° 10.4°
0.06 mm
06-02
22.8° 14.6°
2.19 mm
06-03
16.5° 13.2°
0.31 mm
06-04
27.1° 19.5°
3.69 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Grande-Synthe?

11
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 2.6 µg/m³
68
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 20.2 µg/m³
–
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km
27
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 6.5 µg/m³
14
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 3.4 µg/m³
30
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 7.2 µg/m³
30
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 7.2 µg/m³
82
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 26.8 µg/m³
27
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 6.5 µg/m³
85
Mardyck, Nord-Pas-de-Calais, France
3.4 km PM2.5: 28.3 µg/m³

What cities are near Grande-Synthe?

32 Saint-Pol-sur-Mer 34 Dunkerque 29 Coudekerque-Branche 38 Koksijde 47 Saint-Omer 38 Calais 43 Poperinge 47 Hazebrouck 56 Diksmuide 46 Middelkerke
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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 2026-05-29T15:23 UTC.