Dataset S1. Daily PM2.5 levels data in Mae Hong Son and Lampang provinces, , Mae Hong Son province,Lampang province 25,29 21,30 19,28 18,30 18,27 20,21 16,19 23,33 25,39 26,32 20,37 18,33 17,30 21,27 27,32 28,41 24,43 28,39 27,41 28,40 25,44 21,50 26,49 30,57 36,60 38,59 40,71 42,62 41,59 35,67 40,88 41,87 47,80 42,82 41,68 34,52 30,40 31,39 37,65 39,106 54,108 64,113 78,125 69,158 57,211 70,153 68,42 13,23 9,19 15,27 21,57 27,67 28,74 34,72 36,88 48,92 59,59 66,96 75,143 78,155 79,150 92,138 97,132 103,119 104,100 91,84 91,90 111,97 118,101 142,99 216,103 134,64 53,49 59,48 62,53 60,41 98,51 116,34 104,32 148,39 137,42 144,51 255,62 309,129 244,119 237,99 209,121 263,94 321,103 256,148 233,148 144,86 109,64 147,92 176,172 204,185 203,182 147,113 117,80 108,72 124,96 119,133 104,130 106,100 166,122 214,119 138,82 61,89 59,91 56,93 53,91 50,60 38,55 34,37 34,61 49,48 39,30 36,38 50,44 49,34 34,36 23,63 23,32 22,37 28,48 29,52 31,51 26,46 13,17 18,19 8,21 8,20 5,16 11,17 12,22 13,23 17,23 18,35 19,33 19,31 21,36 19,27 19,24 15,23 17,29 17,31 16,28 17,34 13,25 10,22 11,18 8.3,18.6 11.6,17.4 13.3,20.3 10.3,20.6 6.2,16.1 5.5,16.8 5.8,16.7 7.1,14.9 14.1,16.5 13.5,19.2 15.2,20.4 10,21.6 10.1,18.7 10.2,16.9 10.2,18.2 9,16.3 5.5,16 3.7,14.8 3.7,15.6 3.9,14.8 3.6,13.5 3.3,13.3 4.2,14.7 4.2,12.8 4.4,13 4.4,12.5 5,12.7 5.5,14.4 4.8,13 7.1,12.7