ការព្យាករណ៍គុណភាពខ្យល់

ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the Northern Ireland Air (airqualityni.co.uk)
Note that the measurements for PM2.5 (fine particulate matter) and PM10 (respirable particulate matter) are taken from the station: UK:NorthenIreland/Newtownstewart and the measurements for O3 (ozone) and NO2 (nitrogen dioxide) are taken from the station: Derry Rosemount