Harkingen A1, Switzerland Air Quality

Monitoring Station · Olten, Switzerland
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
15 6pm
61
74
74 9pm
74
74
74 12am
74
74
74 3am
74
74
74 6am
74
74
— 9am
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—
— 12pm
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— 3pm
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Station readings
15
61
CAMS model adj +20
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.516.9 µg/m³ ×1.1 WHO
Moderate
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Nearby Monitoring Stations

-
Kilbig
17.5 km PM2.5: 0.0 µg/m³
24
switzerland-zwingen-reckholderstrasse
25.5 km PM2.5: 5.8 µg/m³

Nearby Cities

17 Olten 5 Aarau 24 Solothurn 33 Reinach 33 Muttenz 30 Rheinfelden 23 Bad Säckingen 37 Burgdorf 35 Riehen

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:53 UTC.