বায়ু মানের ডেটা সরবরাহ করে: the World Meteorological Organization - surface synoptic observations (WMO-SYNOP) (worldweather.wmo.int) and the Instituti Hidrometeorologjik i Kosovës (airqualitykosova.rks-gov.net) and the European Environment Agency (eea.europa.eu)