ការព្យាករណ៍ខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the British Columbia, Canada Air Quality Monitoring Agency (bcairquality.ca)
Note that the measurements for PM2.5 (fine particulate matter) and PM10 (respirable particulate matter) are taken from the station: Fort St John Old Fort and the measurements for O3 (ozone), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: Fort St John Key Learning Centre