

Lưu ý phép đo PM 2.5 (hạt bụi mịn) được lấy từ trạm: Sant Adrià de Besòs, Catalunya and the measurement for O3 (ozone) are taken from the station: ES:Catalunya/Barcelona (Ciutadella) and the measurement for CO (carbon monoxide) are taken from the station: Barcelona (Gràcia-St.Gervasi), Catalunya







