Harkingen A1, Switzerland

Monitoring Station · Olten, Switzerland
72
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
53 10pm
53
53
41 1am
41
41
53 4am
53
53
41 7am
41
41
41 10am
41
21
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—
CAMS model adj -13
66
66
66
54
54
54
66
66
66
54
54
54
54
54
34

Air Quality Trend (24h)

PM2.522.1 µg/m³ ×1.5 WHO
Moderate
View city history →

Nearby Monitoring Stations

36
Harkingen A1, Switzerland
0.0 km PM2.5: 8.6 µg/m³
41
Harkingen A1, Switzerland
0.0 km PM2.5: 9.8 µg/m³
73
Kilbig
17.5 km PM2.5: 22.6 µg/m³
55
switzerland-zwingen-reckholderstrasse
25.5 km PM2.5: 14.0 µg/m³

Nearby Cities

55 Olten 70 Aarau 41 Solothurn 53 Reinach 52 Muttenz 48 Rheinfelden 60 Bad Säckingen 36 Burgdorf 32 Riehen

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T01:58 UTC.