10.7910/DVN/GHOXXOBerman, LexLexBermanCGA, Harvard UnivHarvard Dataverse2017Earth and Environmental Sciencesair pollution dataBerman, LexLexBermanCGA, Harvard Univ2017-01-182017-01-18236690357075983335703254023552text/tab-separated-valuestext/tab-separated-valuesapplication/pdftext/plainapplication/vnd.ms-excel1.0CC0 1.0AQI air quality observations from ground monitoring stations in China are collected and stored PostGresql (three times each day). The AQI values are coded to Locations which have mappable x, y coordinates in a seperate cumulative locations table.