Air Quality in Conflans-Sainte-Honorine, France

Windy
26.7°C · 29.8% humidity
26.7°
Feels 26.7°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
14 3am
21
26
74 6am
60
50
36 9am
31
27
25 12pm
23
21
20 3pm
20
19
19 6pm
19
18
25 9pm
25
25
25 12am
25
25
Station readings
14
21
26
CAMS model adj -9
27
27
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

47h · 3 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. Current PM2.5 concentration in Conflans-Sainte-Honorine is 1.5× the WHO 24-hour guideline of 15 µg/m³.

29.8%
Humidity
67.9 km/h
Wind W
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
74
22.84 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.522.84 µg/m³ ×1.5 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
22.84
Median
22.84
Average
22.84
Low
22.84
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -16.7

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

08-03
38.8° 17.9°
2.12 mm
08-04
27.0° 17.0°
0.06 mm
08-05
28.7° 19.3°
08-06
31.7° 17.1°
0.06 mm
08-07
33.4° 14.6°
1.63 mm
08-08
26.3° 17.2°
08-09
22.5° 15.0°
Both models agree Avg diff: 3.9°C

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

57
Cergy-pontoise, Paris
6.4 km PM2.5: 15.0 µg/m³
152
La Defense, Paris
16.1 km PM2.5: 57.4 µg/m³
28
La Defense, Paris
16.1 km PM2.5: 6.7 µg/m³
41
Gennevilliers, Paris
16.4 km PM2.5: 9.8 µg/m³
54
Gennevilliers, Paris
16.4 km PM2.5: 13.5 µg/m³
22
Gennevilliers, Paris
16.4 km PM2.5: 5.3 µg/m³
27
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 6.5 µg/m³
35
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 8.4 µg/m³
34
Autoroute A1 - Saint-denis, Paris
20.8 km PM2.5: 8.2 µg/m³
110
Autoroute A1 - Saint-denis, Paris
20.8 km PM2.5: 39.2 µg/m³

What cities are near Conflans-Sainte-Honorine?

74 Éragny 26 Cergy 26 Jouy-le-Moutier 26 Cergy-Pontoise 74 Achères 74 Saint-Ouen-l'Aumône 26 Pontoise 57 Herblay-sur-Seine 26 Vauréal 49 Maisons-Laffitte
Get AQI alerts for Conflans-Sainte-Honorine

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 2026-08-08T04:55 UTC.