Data from: 21.09.2026 01:00
Type of site Location O₃ PM10 PM2.5 NO₂
Urban, traffic Bern-Bollwerk 39 17 9 20
Urban, traffic Lausanne-César-Roux 41 13 7 19
Urban Lugano-Università 117 15 10 17
Urban Zürich-Kaserne 68 14 8 18
Suburban Basel-Binningen 66 13 9 13
Suburban Dübendorf-Empa 68 13 9 17
Rural, motorway Härkingen-A1 54 12 7 20
Rural, motorway Sion-Aéroport-A9 38 17 8 22
Rural, < 1000 m Magadino-Cadenazzo 114 15 12 12
Rural, < 1000 m Payerne 66 10 8 9
Rural, < 1000 m Tänikon 61 10 7 9
Rural, < 1000 m Beromünster 77 9 5 6
Rural, > 1000 m Chaumont 73 7 * 3
Rural, > 1000 m Rigi-Seebodenalp 77 7 4 4
Rural, > 1000 m Davos-Seehornwald 4 6 * 2
High alpine Jungfraujoch 2 5 2 0
Ambient air quality standard [µg/m³] 20 10 30
Legend
  ≤ Ambient air quality standard
  > Ambient air quality standard
no current data
* not measured at this site

O₃: Number of days with exceedances of the hourly limit (120 µg/m³) value in the last 365 days
PM10, PM2.5, NO₂: Average of the last 365 days [µg/m³]

Source: NABEL, provisional data