ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the Northern Ireland Air (airqualityni.co.uk)
Note that the measurements for PM2.5 (fine particulate matter), O3 (ozone) and SO2 (sulfur dioxide) are taken from the station: Lisburn Dunmurry Seymour Hill