ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ Arpa Emilia-Romagna (arpae.it)
Note that the measurement for CO (carbon monoxide) are taken from the station: Hera, Emilia Romagna and the measurement for SO2 (sulfur dioxide) are taken from the station: Caorle, Emilia Romagna