ຂໍ້ມູນຄຸນນະພາບອາກາດສະໜອງໃຫ້ໂດຍ: the Atmo Auvergne (atmoauvergne.asso.fr)
ໃຫ້ສັງເກດວ່າການວັດແທກ PM 2.5 (ຝຸ່ນລະອອງລະອຽດ) ແມ່ນເອົາມາຈາກສະຖານີ: Gare, Clermont, Auvergne and the measurements for PM10 (respirable particulate matter), O3 (ozone) and NO2 (nitrogen dioxide) are taken from the station: Beaulieu, Clermont, Auvergne