Table 2. Daily PM2.5 levels data in Mae Hong Son and Lampang provinces.

Provinces	Daily PM2.5 levels ( $\mu g/m^3$)
Mae Hong Son	25	21	19	18	18	20	16	23	25	26
	20	18	17	21	27	28	24	28	27	28
	25	21	26	30	36	38	40	42	41	35
	40	41	47	42	41	34	30	31	37	39
	54	64	78	69	57	70	68	13	9	15
	21	27	28	34	36	48	59	66	75	78
	79	92	97	103	104	91	91	111	118	142
	216	134	53	59	62	60	98	116	104	148
	137	144	255	309	244	237	209	263	321	256
	233	144	109	147	176	204	203	147	117	108
	124	119	104	106	166	214	138	61	59	56
	53	50	38	34	34	49	39	36	50	49
	34	23	23	22	28	29	31	26	13	18
	8	8	5	11	12	13	17	18	19	19
	21	19	19	15	17	17	16	17	13	10
	11	8.3	11.6	13.3	10.3	6.2	5.5	5.8	7.1	14.1
	13.5	15.2	10	10.1	10.2	10.2	9	5.5	3.7	3.7
	3.9	3.6	3.3	4.2	4.2	4.4	4.4	5	5.5	4.8
	7.1
Lampang	29	30	28	30	27	21	19	33	39	32
	37	33	30	27	32	41	43	39	41	40
	44	50	49	57	60	59	71	62	59	67
	88	87	80	82	68	52	40	39	65	106
	108	113	125	158	211	153	42	23	19	27
	57	67	74	72	88	92	59	96	143	155
	150	138	132	119	100	84	90	97	101	99
	103	64	49	48	53	41	51	34	32	39
	42	51	62	129	119	99	121	94	103	148
	148	86	64	92	172	185	182	113	80	72
	96	133	130	100	122	119	82	89	91	93
	91	60	55	37	61	48	30	38	44	34
	36	63	32	37	48	52	51	46	17	19
	21	20	16	17	22	23	23	35	33	31
	36	27	24	23	29	31	28	34	25	22
	18	18.6	17.4	20.3	20.6	16.1	16.8	16.7	14.9	16.5
	19.2	20.4	21.6	18.7	16.91	8.2	16.3	16	14.8	15.6
	14.8	13.5	13.3	14.7	12.8	13	12.5	12.7	14.4	13
	12.7

Note:

Pollution Control Department, Thailand http://air4thai.pcd.go.th/webV3/#/History.