ការព្យាករណ៍គុណភាពខ្យល់

ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ Arpa Emilia-Romagna (arpae.it)
Note that the measurement for O3 (ozone) are taken from the station: Saragat, Emilia Romagna and the measurement for SO2 (sulfur dioxide) are taken from the station: Lm-pr-paip, Emilia Romagna