Press releases
FCAH recommends adapting air quality standards to protect public health
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).
Particulate matter: Swiss Federal Commission for Air Hygiene recommends additional air quality standard to protect against harmful effects on health
The Swiss Federal Commission for Air Hygiene has summarised and evaluated the latest research findings on adverse effects of ambient particulate matter on human health. In its report it recommends incorporating an additional ambient air quality standard for smaller particulate matter (PM2.5) into the Ordinance on Air Pollution Control (OAPC).