Air Quality in Conflans-Sainte-Honorine, France

Clear
24.7°C · 48.4% humidity
24.7°
Feels 24.7°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
23 12pm
25
21
50 3pm
41
34
29 6pm
26
23
23 9pm
22
21
21 12am
20
20
27 3am
26
26
19 6am
19
19
19 9am
19
19
Station readings
23
25
21
CAMS model adj -8
34
34
34
25
25
25
25
25
25
27
27
27
27
27
27
34
34
34
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 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.

48.4%
Humidity
25.4 km/h
Wind SSW
1019.1 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
11.94 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.511.94 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (10 stations within 25 km)
11.94
Median
11.93
Average
4.8
Low
28.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -5.9

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

09-05
24.7° 12.7°
09-06
23.3° 16.3°
09-07
21.9° 14.1°
12.62 mm
09-08
24.2° 14.3°
2.44 mm
09-09
24.1° 12.9°
0.38 mm
09-10
24.0° 14.3°
09-11
21.2° 13.6°
0.5 mm
Both models agree Avg diff: 3.8°C

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

29
Cergy-pontoise, Paris
6.4 km PM2.5: 7.0 µg/m³
20
Cergy-pontoise, Paris
6.4 km PM2.5: 4.8 µg/m³
20
Cergy-pontoise, Paris
6.4 km PM2.5: 4.8 µg/m³
57
La Defense, Paris
16.1 km PM2.5: 15.0 µg/m³
46
Gennevilliers, Paris
16.4 km PM2.5: 11.0 µg/m³
42
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 10.1 µg/m³
59
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 15.9 µg/m³
34
Autoroute A1 - Saint-denis, Paris
20.8 km PM2.5: 8.2 µg/m³
27
Zone Rurale Nord - Saint-martin-du-tertre, Paris
21.1 km PM2.5: 6.5 µg/m³
20
Avenue Des Champs Elysees, Paris
21.6 km PM2.5: 4.8 µg/m³

What cities are near Conflans-Sainte-Honorine?

50 Éragny 51 Cergy 52 Jouy-le-Moutier 51 Cergy-Pontoise 52 Achères 41 Saint-Ouen-l'Aumône 48 Pontoise 47 Herblay-sur-Seine 54 Vauréal 48 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 2026-09-05T13:45 UTC.