Data Kualitas Udara disediakan oleh: the Atmo Auvergne (atmoauvergne.asso.fr)
Perhatikan bahwa pengukuran PM 2.5 (partikel halus) diambil dari stasiun: 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