ការព្យាករណ៍ខ្យល់
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ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the Idaho Department of Environmental Quality (airquality.deq.idaho.gov)
Note that the measurements for PM2.5 (fine particulate matter) and PM10 (respirable particulate matter) are taken from the station: Sandpoint, Idaho