Table 4.
Average AQI values of the seasonal group from 2018 to 2019

Site	Spring	Summer	Autumn	Winter
3	I	87.87	64.18	58.58	89.52
	H
	G
2	F	90.19	62.99	52.42	91.56
	E
	D
1	C	82.58	66.12	47.98	81.43
	B
	A