ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ ATMO-PC- La qualité de l’air en Poitou-Charentes (atmo-poitou-charentes.org)
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: Angouleme Centre, PoitouCharentes