ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the Surveillance de la qualité de l'air dans la région Centre (ligair.fr)
Note that the measurements for PM10 (respirable particulate matter) and O3 (ozone) are taken from the station: Sud, Châteauroux