Fig. (6) Global distribution of daytime LST trends for the world's 233 largest cities (populations exceeding 2 million) during the 11-year period 2002-2012, based on LST data sets retrieved from (a) Terra -MODIS (176 cities) and (b) Aqua -MODIS (169 megacities) at 1°×1° horizontal intervals. Months with cloudiness exceeding 0.7 and cities with less than 6 years of data availability were not included.