
Lưu ý phép đo PM 2.5 (hạt bụi mịn) được lấy từ trạm: Hounslow Chiswick and the measurement for PM10 (respirable particulate matter) are taken from the station: UK:Hounslow Gunnersbury and the measurements for O3 (ozone), CO (carbon monoxide) and SO2 (sulfur dioxide) are taken from the station: London N. Kensington







