Air Quality in Olten, Switzerland
Drizzle
22.0°C · 66.5% humidity
22.0°
Feels 22.0°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Olten's air quality — share it
AQI Forecast
Calibrated
3
11am
3
3
20
2pm
15
12
9
5pm
7
6
5
8pm
5
4
4
11pm
6
12
12
2am
5
12
12
5am
12
12
32
8am
32
32
Station readings
13h ago
AQI 6
PM2.5 1.4 µg/m³ · 13h ago
CAMS model
adj -22
25
25
25
25
25
25
25
25
25
25
25
25
25
27
34
34
27
34
34
34
34
54
54
54
Air Quality Index Trend
20h · 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.
66.5%
Humidity
28.3 km/h
Wind WNW
1020.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Olten?
Temperature & Precipitation
PM2.5 Trend
20h · 1 stationPM2.54.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (2 stations within 25 km)
4.7
Median
4.7
Average
1.7
Low
7.7
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.3
What is the 7-day forecast for Olten?
09-05
22.0° 10.2°
1.37 mm
09-06
16.7° 11.8°
13.94 mm
09-07
24.5° 9.8°
0.88 mm
09-08
22.2° 12.3°
09-09
21.8° 11.5°
0.19 mm
09-10
28.3° 11.1°
0.13 mm
09-11
21.1° 6.9°
0.06 mm
Both models agree
Avg diff: 5.0°C
Where are air quality stations near Olten?
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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 2026-09-05T12:45 UTC.