ការព្យាករណ៍គុណភាពខ្យល់
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ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ Arpa Emilia-Romagna (arpae.it)
Note that the measurements for PM2.5 (fine particulate matter) and O3 (ozone) are taken from the station: Savignano, Emilia Romagna and the measurement for CO (carbon monoxide) are taken from the station: Hera, Emilia Romagna