ការព្យាករណ៍គុណភាពខ្យល់

ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the Calidade do Aire de Galicia (meteogalicia.gal)
Note that the measurements for O3 (ozone) and NO2 (nitrogen dioxide) are taken from the station: Xove, Galicia and the measurement for CO (carbon monoxide) are taken from the station: Magdalena, Galicia