Air Quality in Olten, Switzerland
Rain
18.4°C · 91.2% humidity
18.4°
Feels 18.4°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Olten's air quality — share it
AQI Forecast
Calibrated
9
6pm
9
9
30
9pm
24
32
29
12am
27
25
12
3am
11
10
10
6am
10
10
9
9am
0
0
0
12pm
0
0
0
3pm
0
0
Station readings
4
1
CAMS model
adj -45
54
54
54
54
54
66
66
66
66
54
54
54
54
54
54
54
34
27
27
27
27
27
27
27
Air Quality Index Trend
35h · 1 stnOlten'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.
91.2%
Humidity
52.5 km/h
Wind ESE
1014.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
7.08 µg/m³
PM10▲
34.3 µg/m³
050100150200300500
What is the weather forecast for Olten?
Temperature & Precipitation
PM2.5 Trend
35h · 1 stationPM2.57.08 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
7.08
Median
5.64
Average
0.27
Low
11.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.9
What is the 7-day forecast for Olten?
05-29
18.4° 9.7°
7.63 mm
05-30
16.6° 8.5°
1.69 mm
05-31
25.5° 9.1°
1.0 mm
06-01
24.6° 12.0°
3.5 mm
06-02
22.1° 12.6°
5.81 mm
06-03
16.5° 7.8°
0.56 mm
06-04
23.3° 15.7°
0.19 mm
Both models agree
Avg diff: 5.1°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 2026-05-29T19:39 UTC.