Ten provinces with most garbage: 2002 - 2005   2002   Rank Provinces Garbage ton per day 1 Bangkok 9,617 2 Samut Prakan 715 3 Chon Buri 655 4 Nonthaburi 649 5 Nakhon Ratchasima 488 6 Pathum Thani 468 7 Songkhla 445 8 Chiang Mai 337 9 Khon Kaen 319 10 Rayong 298   Whole Kingdom 21,593   2003   Rank Provinces Garbage ton per day 1 Bangkok 18,680 2 Samut Prakan 1,668 3 Chon Buri 1,447 4 Nonthaburi 1,159 5 Nakhon Ratchasima 1,032 6 Pathum Thani 931 7 Chiang Mai 909 8 Songkhla 892 9 Samut Sakhon 679 10 Udon Thani 668   Whole Kingdom 44,008   2005   Rank Provinces Garbage ton per day 1 Bangkok 8,291 2 Nakhon Ratchasima 1,308 3 Samut Prakan 1,152 4 Chiang Mai 993 5 Songkhla 963 6 Khon Kaen 914 7 Chon Buri 871 8 Ubon Ratchathani 863 9 Nonthaburi 860 10 Nakhon Si Thammarat 795   Whole Kingdom 39,221 Statistical Forecasting Bureau,  National Statistical Office