ការព្យាករណ៍ខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the British Columbia, Canada Air Quality Monitoring Agency (bcairquality.ca)
Note that the measurements for PM2.5 (fine particulate matter), PM10 (respirable particulate matter), O3 (ozone), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: Prince George Plaza 400