Air Quality in Herblay-sur-Seine, France

Windy
23.3°C · 60.0% humidity
23.3°
Feels 23.3°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
26 6pm
26
26
52 9pm
45
32
29 12am
26
24
23 3am
22
21
20 6am
20
20
19 9am
19
26
46 12pm
46
46
26 3pm
26
26
Station readings
23
30
24
34
CAMS model adj -8
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
34
34
34
AD 728×90

Air Quality Index Trend

48h · 1 stn

Herblay-sur-Seine'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.

60.0%
Humidity
74.4 km/h
Wind NE
1015.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.42 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Herblay-sur-Seine?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.512.42 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
12.42
Median
13.23
Average
2.2
Low
23.5
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -1.6

What is the 7-day forecast for Herblay-sur-Seine?

05-29
23.3° 13.7°
0.19 mm
05-30
18.4° 13.2°
3.0 mm
05-31
26.2° 13.9°
06-01
26.7° 12.4°
0.06 mm
06-02
19.5° 12.7°
11.12 mm
06-03
19.0° 13.3°
06-04
22.3° 19.4°
16.94 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Herblay-sur-Seine?

63
Gennevilliers, Paris
11.2 km PM2.5: 17.8 µg/m³
127
Gennevilliers, Paris
11.2 km PM2.5: 46.1 µg/m³
129
Gennevilliers, Paris
11.2 km PM2.5: 46.9 µg/m³
22
Gennevilliers, Paris
11.2 km PM2.5: 5.3 µg/m³
55
Cergy-pontoise, Paris
11.3 km PM2.5: 14.0 µg/m³
8
Cergy-pontoise, Paris
11.3 km PM2.5: 1.9 µg/m³
55
La Defense, Paris
12.1 km PM2.5: 14.0 µg/m³
37
La Defense, Paris
12.1 km PM2.5: 8.9 µg/m³
37
Autoroute A1 - Saint-denis, Paris
15.4 km PM2.5: 8.9 µg/m³
109
Paris 18eme, Paris
16.9 km PM2.5: 38.7 µg/m³

What cities are near Herblay-sur-Seine?

51 Montigny-lès-Cormeilles 49 Cormeilles-en-Parisis 47 Maisons-Laffitte 51 Franconville 45 Sartrouville 53 Taverny 54 Conflans-Sainte-Honorine 54 Éragny 51 Sannois 52 Ermont
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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 2026-05-29T19:16 UTC.