Air Quality in Conflans-Sainte-Honorine, France

Windy
22.5°C · 62.2% humidity
22.5°
Feels 22.5°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
25 7pm
25
25
54 10pm
45
39
34 1am
31
29
27 4am
26
25
25 7am
24
24
26 10am
25
32
32 1pm
32
52
32 4pm
32
32
Station readings
30
24
34
CAMS model adj -2
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
27
27
34
34
34
54
34
34
34
AD 728×90

Air Quality Index Trend

47h · 1 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.

62.2%
Humidity
81.7 km/h
Wind NE
1015.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.38 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.513.38 µg/m³ ✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
13.38
Median
13.38
Average
2.2
Low
23.5
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -3.6

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

05-29
22.5° 12.4°
0.31 mm
05-30
18.2° 12.3°
3.06 mm
05-31
26.2° 13.4°
06-01
25.9° 11.7°
06-02
19.0° 12.5°
6.81 mm
06-03
18.4° 11.9°
06-04
21.4° 18.0°
16.38 mm
Both models agree Avg diff: 3.3°C

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

8
Cergy-pontoise, Paris
6.4 km PM2.5: 1.9 µg/m³
55
Cergy-pontoise, Paris
6.4 km PM2.5: 14.0 µg/m³
55
La Defense, Paris
16.1 km PM2.5: 14.0 µg/m³
37
La Defense, Paris
16.1 km PM2.5: 8.9 µg/m³
63
Gennevilliers, Paris
16.4 km PM2.5: 17.8 µg/m³
127
Gennevilliers, Paris
16.4 km PM2.5: 46.1 µg/m³
22
Gennevilliers, Paris
16.4 km PM2.5: 5.3 µg/m³
129
Gennevilliers, Paris
16.4 km PM2.5: 46.9 µg/m³
34
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 8.2 µg/m³
53
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 13.1 µg/m³

What cities are near Conflans-Sainte-Honorine?

54 Éragny 55 Cergy 55 Jouy-le-Moutier 55 Cergy-Pontoise 52 Achères 54 Saint-Ouen-l'Aumône 55 Pontoise 52 Herblay-sur-Seine 56 Vauréal 47 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 2026-05-29T20:00 UTC.