An evaluation of uncertainty associated to analytical measurements of selected polycyclic aromatic compounds in ambient air

► Evaluation of uncertainty associated to analytical measurement of selected PAHs, NPAHs and OHPAHs in ambient air. ► Study is focused on analyses of PM10, PM2.5 and gas phase fractions. ► The highest uncertainty contributions were measured for NPAHs (∼30%) and heavier PAHs (∼20%). ► Range and mean concentration of selected PACs measured during a full year are also presented.