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空气质量数据提供者: the World Meteorological Organization - surface synoptic observations (WMO-SYNOP) (worldweather.wmo.int) and Environment Canterbury - Kaunihera Taiao ki Waitaha (ecan.govt.nz)
Note that the measurements for PM2.5 (fine particulate matter), PM10 (respirable particulate matter), SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Timaru Anzac Square