대기질 예보
대기질 데이터 제공: the Medi Ambient. Generalitat de Catalunya (www20.gencat.cat) and the European Environment Agency (eea.europa.eu)
Note that the measurements for PM2.5 (fine particulate matter), O3 (ozone), SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Barcelona (Palau Reial), Catalunya