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Podatke o kvaliteti zraka osigurao: the Air Quality in Wales (airquality.gov.wales)
Imajte na umu da su mjerenja za PM 2,5 (fine čestice) uzeta sa stanice: Port Talbot Margam and the measurements for PM10 (respirable particulate matter), O3 (ozone), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: Port Talbot Little Warren