What is the air quality in Olten today?

The current Air Quality Index (AQI) in Olten is 21 (Good). PM2.5 concentration is 5.03 µg/m³.

What is the temperature in Olten right now?

The current temperature in Olten is 13.0°C (feels like 13.0°C). Humidity is 62.4% and wind speed is 19.5 km/h.

Is it safe to go outside in Olten?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Olten, Switzerland

Partly Cloudy

13.0°C · 62.4% humidity

13.0°

Feels 13.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

41h · 1 stn

View full history →

Olten'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.

62.4%

Humidity

19.5 km/h

Wind E

1021.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.03 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Olten?

Temperature & Precipitation

PM2.5 Trend

41h · 1 station

PM2.55.03 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

5.03

Median

4.6

Average

2.0

Low

7.7

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.8

What is the 7-day forecast for Olten?

10-21

13.0° -0.2°

10-22

20.0° 5.7°

2.12 mm

10-23

9.4° 4.4°

4.13 mm

10-24

7.2° 3.7°

10-25

18.0° 2.4°

10-26

8.1° 4.5°

0.25 mm

10-27

15.3° 4.5°

0.31 mm

Both models agree Avg diff: 3.8°C

Where are air quality stations near Olten?

Harkingen A1, Switzerland

7.5 km PM2.5: 3.4 µg/m³

Harkingen A1, Switzerland

7.5 km PM2.5: 4.1 µg/m³

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Kilbig

9.9 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Basel Binningen, Switzerland

32.1 km PM2.5: 5.0 µg/m³

Basel Binningen, Switzerland

32.1 km PM2.5: 3.8 µg/m³

What cities are near Olten?

9 Aarau 28 Bad Säckingen 37 Rheinfelden 29 Muttenz 25 Reinach 25 Solothurn 55 Riehen 8 Baden 24 Basel 38 Schopfheim

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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 2026-10-21T10:48 UTC.