Table 4 Weather and particulate matter measured value and reduction rate

2019-05-14 Measured value
Park No.	Park entrance					Park center					Difference value
	PM1	PM2.5	PM10	Temp.	Humidity	PM1	PM2.5	PM10	Temp.	Humidity	PM1		PM2.5		PM10		Temp.	Humidity
	μg/m3			°C	%	μg/m3			°C	%	μg/m3	%	μg/m3	%	μg/m3	%	°C	%
1	60	97	98	25	33	49	66	78	24	35	11	18.33	31	31.96	20	20.41	1	2
2	47	71	71	26	27	34	59	60	25	30	13	27.66	12	16.90	11	15.49	1	3
3	44	74	78	25	38	36	66	69	24	42	8	18.18	8	10.81	9	11.54	1	4
4	35	65	65	27	37	26	41	45	26	43	9	25.71	24	36.92	20	30.77	1	6
5	33	51	54	25	37	29	42	45	24	43	4	12.12	9	17.65	9	16.67	1	6
6	51	74	84	24	36	45	57	69	23	42	6	11.76	17	22.97	15	17.86	1	6
7	29	42	47	23	39	19	26	28	22	40	10	34.48	16	38.10	19	40.43	1	1
Ave.	42.71	67.71	71.00	25.00	35.29	34.00	51.00	56.29	24.00	39.29	8.71	21.18	16.71	25.04	14.71	21.88	1.00	4.00
Std.	11.03	17.77	17.55	1.29	4.11	10.52	15.03	17.62	1.29	4.96	3.04	8.44	8.32	10.70	5.06	10.13	0.00	2.08
2019-05-16 Measured value
Park No.	Park entrance					Park center					Difference value
	PM1	PM2.5	PM10	Temp.	Humidity	PM1	PM2.5	PM10	Temp.	Humidity	PM1		PM2.5		PM10		Temp.	Humidity
	μg/m3			°C	%	μg/m3			°C	%	μg/m3	%	μg/m3	%	μg/m3	%	°C	%
1	35	48	45	24	40	27	43	42	23	42	8	22.86	5	10.42	3	6.67	1	2
2	27	43	43	27	37	24	39	38	25	41	3	11.11	4	9.30	5	11.63	2	4
3	30	49	45	25	42	28	40	40	24	42	2	6.67	9	18.37	5	11.11	1	0
4	40	58	57	24	45	31	46	51	24	45	9	22.50	12	20.69	6	10.53	0	0
5	38	55	60	25	38	33	50	55	24	40	5	13.16	5	9.09	5	8.33	1	2
6	34	57	62	25	41	32	52	57	24	43	2	5.88	5	8.77	5	8.06	1	2
7	35	53	55	25	38	33	52	51	24	40	2	5.71	1	1.89	4	7.27	1	2
Ave.	34.14	51.86	52.43	25.00	40.14	29.71	46.00	47.71	24.00	41.86	4.43	12.56	5.86	11.22	4.71	9.09	1.00	1.71
Std.	4.45	5.43	7.91	1.00	2.79	3.45	5.51	7.61	0.58	1.77	2.99	7.46	3.58	6.36	0.95	1.97	0.58	1.38
2019-05-24 Measured value
Park No.	Park entrance					Park center					Difference value
	PM1	PM2.5	PM10	Temp.	Humidity	PM1	PM2.5	PM10	Temp.	Humidity	PM1		PM2.5		PM10		Temp.	Humidity
	μg/m3			°C	%	μg/m3			°C	%	μg/m3	%	μg/m3	%	μg/m3	%	°C	%
1	33	42	43	31	25	29	40	40	30	26	4	12.12	2	4.76	3	6.98	1	1
2	33	43	50	30	27	27	38	45	28	30	6	17.65	5	14.71	5	10.00	2	3
3	30	45	47	30	27	26	34	32	30	28	4	13.33	11	24.44	15	31.91	0	1
4	38	54	46	30	29	24	36	40	29	31	14	33.57	18	33.33	6	13.04	1	2
5	28	40	40	29	28	25	35	34	28	31	3	10.71	5	12.50	6	15.00	1	3
6	27	43	44	30	29	23	35	39	28	32	4	11.76	8	18.60	5	11.36	2	3
7	32	40	41	28	31	24	35	37	27	32	8	23.53	5	14.71	4	9.76	1	1
Ave.	31.57	43.86	44.43	29.71	28.00	25.43	36.14	38.14	28.57	30.00	6.14	17.53	7.71	17.58	6.29	14.01	1.14	2.00
Std.	3.69	4.81	3.51	0.95	1.91	2.07	2.12	4.30	1.13	2.24	3.85	8.37	5.35	9.16	3.99	8.30	0.69	1.00