ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ Air Breizh (Qualité de l'air en Bretagne).
(airbreizh.asso.fr)
Note that the measurements for PM2.5 (fine particulate matter), PM10 (respirable particulate matter), O3 (ozone) and NO2 (nitrogen dioxide) are taken from the station: Avenue des Pays-Bas, Rennes