Air Quality in Conflans-Sainte-Honorine, France

Cloudy
9.4°C · 75.4% humidity
9.4°
Feels 6.5°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 10pm
0
0
20 1am
16
12
8 4am
6
4
3 7am
2
2
1 10am
1
1
0 1pm
0
0
0 4pm
0
0
0 7pm
0
0
Station readings 11h ago
AQI 5
PM2.5 1.3 µg/m³ · 11h ago
CAMS model adj -27
25
25
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
AD 728×90

Air Quality Index Trend

17h · 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.

75.4%
Humidity
22.1 km/h
Wind WNW
1022.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.73 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

17h · 1 station
PM2.54.73 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
4.73
Median
5.03
Average
4.3
Low
6.5
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.1

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

06-08
24.1° 12.5°
1.13 mm
06-09
23.3° 9.4°
1.19 mm
06-10
24.6° 13.1°
6.38 mm
06-11
27.3° 16.8°
0.88 mm
06-12
22.8° 10.5°
0.06 mm
06-13
26.5° 8.7°
0.94 mm
06-14
24.7° 12.1°
2.06 mm
Both models agree Avg diff: 4.0°C

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

70
Cergy-pontoise, Paris
6.4 km PM2.5: 21.1 µg/m³
48
Cergy-pontoise, Paris
6.4 km PM2.5: 11.5 µg/m³
12
La Defense, Paris
16.1 km PM2.5: 2.9 µg/m³
55
La Defense, Paris
16.1 km PM2.5: 14.0 µg/m³
124
Gennevilliers, Paris
16.4 km PM2.5: 44.8 µg/m³
25
Gennevilliers, Paris
16.4 km PM2.5: 6.0 µg/m³
41
Gennevilliers, Paris
16.4 km PM2.5: 9.8 µg/m³
25
Gennevilliers, Paris
16.4 km PM2.5: 6.0 µg/m³
53
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 13.1 µg/m³
13
Zone Rurale Nord-ouest - Fremainville, Paris
18.1 km PM2.5: 3.1 µg/m³

What cities are near Conflans-Sainte-Honorine?

18 Éragny 18 Cergy 18 Jouy-le-Moutier 18 Cergy-Pontoise 22 Achères 18 Saint-Ouen-l'Aumône 18 Pontoise 21 Herblay-sur-Seine 18 Vauréal 22 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 2026-06-08T23:28 UTC.