public.global_pm25_concentration_1998_2016


avpmu_1998 avpmu_1999 avpmu_2000 avpmu_2001 avpmu_2002 avpmu_2003 avpmu_2004 avpmu_2005 avpmu_2006 avpmu_2007 avpmu_2008 avpmu_2009 avpmu_2010 avpmu_2011 avpmu_2012 avpmu_2013 avpmu_2014 avpmu_2015 avpmu_2016 continent countryeng iso3 isourbid name ogc_fid sqkm stndrdname unsdcode urbid