Machine Learning-Based Forecast of Hemorrhagic Stroke Healthcare Service Demand considering Air Pollution

Table 2

Statistics on air pollution and temperature.

Pollutants	Mean	SD	Min	25%	50%	75%	Max
SO2	11.0584	5.9144	3	7	9	13	46
NO2	45.5800	21.6757	12	28	43	58.5	121
CO	1.0719	0.5262	0.4	0.8	0.9	1.2	10
O3	98.7302	55.9866	2	55	92	136	334
PM2.5	57.5307	43.9921	4	27	44	75	287
PM10	90.5947	63.6597	6	47	71	113.75	411
Lowest	21.6461	7.8395	5	14	22	29	36
Highest	14.3133	7.2099	–4	7	15	20	26

Mean denotes the average daily concentration. SD denotes the standard deviation of concentration. Min and Max denote the minimum and maximum concentrations; each quartile of the concentration is shown under the respective percentage. Lowest and highest denote the minimum and maximum temperatures, respectively.