Table 2.

Data of API interpolation

Bil	Latitude	Longitude	Location	Average 2019	Average 2020
1	3.213959	101.685665	Batu Muda	55	51.25
2	3.107113	101.724916	Cheras	58	48.75
3	2.926018	101.695243	Putrajaya	60	50.25
4	3.338375	101.245568	Kuala Selangor	56	46.75
5	3.128038	101.588607	Petaling Jaya	80	51.25
6	3.082356	101.544102	Shah Alam	78	49.25
7	3.046378	101.439283	Klang	61	56.75
8	2.811533	101.496162	Banting	55	48.75
9	2.974044	101.472180	Johan Setia Klang (MCAQM)	65	52.00