Air Quality in Olten, Switzerland
Heavy Rain
10.5°C · 99.6% humidity
10.5°
Feels 10.5°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Olten's air quality — share it
AQI Forecast
Calibrated
19
11pm
19
19
26
2am
14
14
13
5am
12
11
11
8am
11
10
9
11am
9
9
9
2pm
9
9
9
5pm
9
9
10
8pm
10
12
Station readings
17
25
25
CAMS model
adj -15
34
34
34
34
24
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
25
25
27
Air Quality Index Trend
33h · 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.
99.6%
Humidity
19.9 km/h
Wind WNW
1020.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Olten?
Temperature & Precipitation
PM2.5 Trend
33h · 1 stationPM2.56.25 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
6.25
Median
5.96
Average
4.18
Low
7.0
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +0.8
What is the 7-day forecast for Olten?
06-09
24.8° 10.5°
21.12 mm
06-10
23.5° 11.6°
0.88 mm
06-11
25.5° 11.8°
6.5 mm
06-12
23.7° 10.1°
4.5 mm
06-13
26.9° 9.8°
5.5 mm
06-14
27.4° 11.0°
0.06 mm
06-15
26.5° 13.9°
Both models agree
Avg diff: 3.6°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 2026-06-09T00:18 UTC.