Air Quality in Herblay-sur-Seine, France

Windy
27.1°C · 28.3% humidity
27.1°
Feels 27.1°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 1am
22
15
57 4am
46
38
32 7am
28
18
16 10am
15
14
13 1pm
12
12
12 4pm
12
11
11 7pm
11
18
38 10pm
38
38
Station readings
20
22
15
CAMS model adj -16
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
AD 728×90

Air Quality Index Trend

47h · 3 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. Current PM2.5 concentration in Herblay-sur-Seine is 1.0× the WHO 24-hour guideline of 15 µg/m³.

28.3%
Humidity
61.0 km/h
Wind WNW
1013.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
57
15.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.515.1 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
15.1
Median
12.63
Average
2.42
Low
22.84
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -8.1

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

08-03
38.6° 18.4°
1.69 mm
08-04
28.0° 16.7°
08-05
32.2° 19.4°
08-06
33.0° 17.8°
08-07
33.4° 15.7°
1.06 mm
08-08
27.1° 17.8°
08-09
22.9° 16.1°
Both models agree Avg diff: 3.6°C

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

41
Gennevilliers, Paris
11.2 km PM2.5: 9.8 µg/m³
54
Gennevilliers, Paris
11.2 km PM2.5: 13.5 µg/m³
23
Gennevilliers, Paris
11.2 km PM2.5: 5.5 µg/m³
57
Cergy-pontoise, Paris
11.3 km PM2.5: 15.0 µg/m³
34
Cergy-pontoise, Paris
11.3 km PM2.5: 8.2 µg/m³
152
La Defense, Paris
12.1 km PM2.5: 57.4 µg/m³
34
La Defense, Paris
12.1 km PM2.5: 8.2 µg/m³
40
Autoroute A1 - Saint-denis, Paris
15.4 km PM2.5: 9.6 µg/m³
34
Autoroute A1 - Saint-denis, Paris
15.4 km PM2.5: 8.2 µg/m³
110
Autoroute A1 - Saint-denis, Paris
15.4 km PM2.5: 39.2 µg/m³

What cities are near Herblay-sur-Seine?

52 Montigny-lès-Cormeilles 52 Cormeilles-en-Parisis 49 Maisons-Laffitte 53 Franconville 52 Sartrouville 74 Taverny 74 Conflans-Sainte-Honorine 74 Éragny 54 Sannois 53 Ermont
Get AQI alerts for Herblay-sur-Seine

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:12 UTC.