ការព្យាករណ៍គុណភាពខ្យល់

ចំណាំថាការវាស់វែង PM 2.5 (ភាគល្អិតល្អ) ត្រូវបានយកចេញពីស្ថានីយ៍៖ Pha2-Legerova, Prague and the measurement for SO2 (sulfur dioxide) are taken from the station: Pha8-Karlin, Prague and the measurement for O3 (ozone) are taken from the station: CZ:Prague/Praha 9-Vysocany







