how is the air quality index measured

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how is the air quality index measured	0.42	0.1	1225	73	37
how	1.29	0.1	6571	94	3
is	1.78	0.3	8804	3	2
the	0.18	0.1	9995	24	3
air	0.8	0.4	1343	81	3
quality	1.83	1	4845	4	7
index	1.77	0.7	2348	57	5
measured	1.21	0.8	6701	7	8

Keyword	CPC	PCC	Volume	Score
how is the air quality index measured	0.69	0.3	9756	47
air quality index measurement unit	0.63	0.8	2221	50
how is air quality health index measured	0.09	0.2	168	40
air quality index measuring device	1.99	0.4	3170	40
air quality index measurement equipment	1.21	0.7	5626	70
air quality index measure	1.84	0.8	23	22
understanding air quality index	0.37	1	7877	99
air quality index definitions	1.05	0.2	1438	65
air quality units of measurement	1.28	0.2	5659	8
air quality index meaning and monitoring	0.32	0.5	650	64
air quality index explanation	1.84	0.8	9931	50
air quality index explained	0.35	0.3	1283	53
air quality index information	1.93	0.8	4040	34
air quality index meaning and calculation	1.22	0.8	5906	52