SmogRank / World / Switzerland / Vaud / October 2026
Most unhealthy days in Vaud, Switzerland, October 2026
1 city in Vaud, Switzerland ranked by its share of unhealthy days so far (8 of 31 days). The most unhealthy days: Payerne, Switzerland, 0 of 6 measured days. A city needs measurements on 70% of the days to be ranked.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Payerne 0 of 6
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
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SmogRank, most polluted cities in Vaud, Switzerland, by unhealthy days, PM2.5, October 2026 (so far), smogrank.com/ch/region/vaud/history/2026-10?by=days (accessed 10 Oct 2026). Some readings from Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published.
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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.