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

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
13.38
Median
13.38
Average
2.2
Low
23.5
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -3.6
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
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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.