Instituto de Geografia – USFQ and U.S Department of StateAnnual air quality data based on the parameters of CO, wind direction, humidity, NO2, O3, particulate matter, SO2air-quality-quito-yearly-2018-2020Humanitarian Data ExchangePublicEcuador: Yearly Air quality in QuitoDatasetsEcuador2018-01-01 to 2020-12-31