ការព្យាករណ៍គុណភាពខ្យល់

ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ UK-AIR, air quality information resource - Defra, UK (uk-air.defra.gov.uk)
Note that the measurements for O3 (ozone) and SO2 (sulfur dioxide) are taken from the station: UK:Wren Close and the measurement for CO (carbon monoxide) are taken from the station: Camden Kerbside






