ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the Calidad del Aire en Navarra (navarra.es)
Note that the measurements for O3 (ozone) and SO2 (sulfur dioxide) are taken from the station: Rotxapea, Pamplona, Navarra and the measurement for CO (carbon monoxide) are taken from the station: Iturrama, Pamplona, Navarra