ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ Arpa Emilia-Romagna (arpae.it)
Note that the measurements for PM10 (respirable particulate matter), CO (carbon monoxide) and SO2 (sulfur dioxide) are taken from the station: Porto San Vitale, Emilia Romagna