Air Quality in La Chaux-de-Fonds, Switzerland
Partly Cloudy
14.4°C · 68.1% humidity
14.4°
Feels 14.4°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
La Chaux-de-Fonds's air quality — share it
AQI Forecast
Calibrated
6
3pm
6
6
11
6pm
10
9
8
9pm
7
7
7
12am
6
6
5
3am
5
5
6
6am
6
6
6
9am
5
5
5
12pm
5
5
Station readings
27h ago
AQI 0
PM2.5 0.1 µg/m³ · 27h ago
CAMS model
adj -19
25
25
25
25
25
25
25
25
25
25
25
25
24
24
24
25
25
25
25
24
24
24
24
24
Air Quality Index Trend
10h · 1 stnLa Chaux-de-Fonds'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.
68.1%
Humidity
29.9 km/h
Wind ENE
1024.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.6 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for La Chaux-de-Fonds?
Temperature & Precipitation
PM2.5 Trend
10h · 1 stationPM2.52.6 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
2.6
Median
2.6
Average
2.6
Low
2.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +3.4
What is the 7-day forecast for La Chaux-de-Fonds?
09-05
22.7° 9.9°
0.31 mm
09-06
13.6° 11.0°
15.25 mm
09-07
23.8° 9.4°
7.5 mm
09-08
24.6° 11.6°
1.0 mm
09-09
19.4° 10.2°
0.19 mm
09-10
25.9° 11.4°
0.06 mm
09-11
16.9° 6.8°
0.69 mm
Both models agree
Avg diff: 5.7°C
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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 2026-09-05T16:28 UTC.