Air Quality in Herblay-sur-Seine, France

Clear
20.6°C · 30.5% humidity
20.6°
Feels 20.6°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 5am
10
12
19 8am
16
14
33 11am
32
31
10 2pm
30
30
29 5pm
29
9
9 8pm
9
9
9 11pm
9
9
9 2am
29
9
Station readings
10
10
12
12
CAMS model adj -25
34
34
34
34
34
34
54
54
54
34
54
54
54
54
34
34
34
34
34
34
34
34
54
34
AD 728×90

Air Quality Index Trend

48h · 2 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.

30.5%
Humidity
21.7 km/h
Wind ESE
1013.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
19
4.5 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.54.5 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (8 stations within 25 km)
4.5
Median
4.98
Average
2.9
Low
7.7
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.8

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

07-22
29.1° 20.6°
07-23
24.1° 21.0°
07-24
25.6° 18.5°
4.69 mm
07-25
33.4° 14.0°
07-26
28.3° 15.5°
0.13 mm
07-27
28.5° 19.2°
07-28
28.0° 17.0°
Both models agree Avg diff: 3.0°C

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

27
Gennevilliers, Paris
11.2 km PM2.5: 6.5 µg/m³
12
Gennevilliers, Paris
11.2 km PM2.5: 2.9 µg/m³
35
Gennevilliers, Paris
11.2 km PM2.5: 8.4 µg/m³
53
Gennevilliers, Paris
11.2 km PM2.5: 13.1 µg/m³
45
Cergy-pontoise, Paris
11.3 km PM2.5: 10.8 µg/m³
39
Cergy-pontoise, Paris
11.3 km PM2.5: 9.4 µg/m³
56
La Defense, Paris
12.1 km PM2.5: 14.5 µg/m³
56
La Defense, Paris
12.1 km PM2.5: 14.5 µg/m³
47
Autoroute A1 - Saint-denis, Paris
15.4 km PM2.5: 11.3 µg/m³
21
Paris 18eme, Paris
16.9 km PM2.5: 5.0 µg/m³

What cities are near Herblay-sur-Seine?

18 Montigny-lès-Cormeilles 17 Cormeilles-en-Parisis 18 Maisons-Laffitte 17 Franconville 17 Sartrouville 19 Taverny 18 Conflans-Sainte-Honorine 18 Éragny 17 Sannois 17 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 2026-07-22T06:45 UTC.