ការព្យាករណ៍គុណភាពខ្យល់


ចំណាំថាការវាស់វែង PM 2.5 (ភាគល្អិតល្អ) ត្រូវបានយកចេញពីស្ថានីយ៍៖ Sant Adrià de Besòs, Catalunya and the measurement for O3 (ozone) are taken from the station: ES:Catalunya/Barcelona (Ciutadella) and the measurement for CO (carbon monoxide) are taken from the station: Barcelona (Gràcia-St.Gervasi), Catalunya







