Air Quality in Conflans-Sainte-Honorine, France

Clear
21.1°C · 28.4% humidity
21.1°
Feels 21.1°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
5 4am
10
10
30 7am
22
24
20 10am
17
15
14 1pm
33
32
31 4pm
31
11
10 7pm
10
10
10 10pm
10
10
10 1am
10
10
Station readings
5
10
10
12
CAMS model adj -24
34
34
34
27
27
34
34
34
34
34
54
54
54
54
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

48h · 2 stn

Conflans-Sainte-Honorine'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.

28.4%
Humidity
18.8 km/h
Wind E
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.12 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Conflans-Sainte-Honorine?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.57.12 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
7.12
Median
7.86
Average
3.4
Low
34.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.9

What is the 7-day forecast for Conflans-Sainte-Honorine?

07-22
29.1° 21.1°
07-23
23.8° 21.0°
07-24
25.2° 18.3°
5.75 mm
07-25
32.9° 14.0°
07-26
27.1° 14.9°
07-27
27.9° 17.9°
07-28
28.0° 17.5°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Conflans-Sainte-Honorine?

31
Cergy-pontoise, Paris
6.4 km PM2.5: 7.4 µg/m³
45
Cergy-pontoise, Paris
6.4 km PM2.5: 10.8 µg/m³
56
La Defense, Paris
16.1 km PM2.5: 14.5 µg/m³
56
La Defense, Paris
16.1 km PM2.5: 14.5 µg/m³
89
Gennevilliers, Paris
16.4 km PM2.5: 30.2 µg/m³
52
Gennevilliers, Paris
16.4 km PM2.5: 12.6 µg/m³
53
Gennevilliers, Paris
16.4 km PM2.5: 13.1 µg/m³
18
Gennevilliers, Paris
16.4 km PM2.5: 4.3 µg/m³
26
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 6.2 µg/m³
65
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 18.8 µg/m³

What cities are near Conflans-Sainte-Honorine?

29 Éragny 26 Cergy 27 Jouy-le-Moutier 26 Cergy-Pontoise 31 Achères 29 Saint-Ouen-l'Aumône 28 Pontoise 35 Herblay-sur-Seine 26 Vauréal 32 Maisons-Laffitte
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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 2026-07-22T05:50 UTC.