FCAH recommends adapting air quality standards to protect public health
Berne, 23.11.2023 - The Federal Commission for Air Hygiene (FCAH) has assessed the revised guideline values issued by the World Health Organization (WHO) in 2021 and their significance for Switzerland's Air Pollution Control Ordinance (OAPC). The FCAH recommends amending the Ordinance for the pollutants SO2, NO2, CO, O3, PM10 and PM2.5 so as to align the ambient air quality standards with the WHO's guideline values (see table).