ការព្យាករណ៍ខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the Sistema Nacional de Calidad del Aire en Chile (sinca.mma.gob.cl)
Note that the measurements for PM2.5 (fine particulate matter), PM10 (respirable particulate matter) and O3 (ozone) are taken from the station: Coyhaique and the measurements for CO (carbon monoxide) and SO2 (sulfur dioxide) are taken from the station: Coyhaique II