Air Quality in Conflans-Sainte-Honorine, France

Windy
20.1°C · 37.7% humidity
20.1°
Feels 20.1°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 2pm
15
25
33 5pm
28
25
23 8pm
23
22
21 11pm
21
20
20 2am
27
26
26 5am
19
19
19 8am
19
19
19 11am
19
19
Station readings
21
15
25
CAMS model adj -8
34
25
25
25
25
25
25
27
27
27
27
27
27
34
34
34
27
27
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.

37.7%
Humidity
58.1 km/h
Wind NE
1026.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
8.0 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
PM2.58.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (8 stations within 25 km)
8.0
Median
7.55
Average
2.6
Low
10.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -2.0

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?

35
Cergy-pontoise, Paris
6.4 km PM2.5: 8.4 µg/m³
20
Cergy-pontoise, Paris
6.4 km PM2.5: 4.8 µg/m³
34
La Defense, Paris
16.1 km PM2.5: 8.2 µg/m³
33
La Defense, Paris
16.1 km PM2.5: 7.9 µg/m³
46
Gennevilliers, Paris
16.4 km PM2.5: 11.0 µg/m³
29
Gennevilliers, Paris
16.4 km PM2.5: 7.0 µg/m³
30
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 7.2 µg/m³
43
Autoroute A1 - Saint-denis, Paris
20.8 km PM2.5: 10.3 µg/m³
46
Autoroute A1 - Saint-denis, Paris
20.8 km PM2.5: 11.0 µg/m³
34
Zone Rurale Nord - Saint-martin-du-tertre, Paris
21.1 km PM2.5: 8.2 µg/m³

What cities are near Conflans-Sainte-Honorine?

34 Éragny 35 Cergy 35 Jouy-le-Moutier 35 Cergy-Pontoise 32 Achères 34 Saint-Ouen-l'Aumône 35 Pontoise 30 Herblay-sur-Seine 35 Vauréal 30 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 2026-09-05T15:11 UTC.