Trend analysis in aerosol optical depths and pollutant emission estimates between 2000 and 2009

► AOD trends by MODIS, MISR, AERONET are negative over Europe and North America. ► Over South and East Asia AOD trends are positive. ► Increasing/decreasing AOD trends are related to increasing/decreasing of pollutants. ► AOD trends from the MODIS monthly L3 products correspond well with MODIS L2. ► Daily and monthly AERONET Level 2 AOD trends agree well.