Air Quality in Grande-Synthe, France

Clear
17.8°C · 49.1% humidity
17.8°
Feels 17.8°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 11pm
16
36
34 2am
36
36
36 5am
36
36
36 8am
36
36
36 11am
36
36
36 2pm
36
36
36 5pm
36
36
16 8pm
9
9
Station readings
29
26
CAMS model adj -18
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
27
27
AD 728×90

Air Quality Index Trend

4h · 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.

49.1%
Humidity
25.0 km/h
Wind ENE
1014.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.07 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Grande-Synthe?

Temperature & Precipitation

PM2.5 Trend

4h · 1 station
PM2.58.07 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
8.07
Median
6.92
Average
4.1
Low
8.2
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +1.7

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

07-22
23.0° 17.7°
0.06 mm
07-23
19.6° 17.6°
0.06 mm
07-24
22.6° 16.1°
2.19 mm
07-25
27.0° 13.9°
07-26
24.2° 14.7°
07-27
23.2° 18.3°
0.13 mm
07-28
20.8° 16.8°
Both models agree Avg diff: 2.0°C

Where are air quality stations near Grande-Synthe?

59
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 15.9 µg/m³
57
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 15.0 µg/m³
61
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 16.9 µg/m³
61
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 16.9 µg/m³
26
Grande-synthe, Nord-Pas-de-Calais, France
1.0 km PM2.5: 6.2 µg/m³
47
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 11.3 µg/m³
38
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 9.1 µg/m³
41
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 9.8 µg/m³
35
mer-cheminot, St Pol, Nord-Pas-de-Calais, France
3.0 km PM2.5: 8.4 µg/m³
48
Mardyck, Nord-Pas-de-Calais, France
3.4 km PM2.5: 11.5 µg/m³

What cities are near Grande-Synthe?

33 Saint-Pol-sur-Mer 32 Dunkerque 32 Coudekerque-Branche 23 Koksijde 8 Saint-Omer 41 Calais 17 Poperinge 8 Hazebrouck 12 Diksmuide 16 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 2026-07-22T00:05 UTC.