Keyword Analysis & Research: what is the air quality index scale

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is the air quality index scale	1.35	0.1	90	55	35
what	1.33	0.3	4187	57	4
is	1	0.1	3797	73	2
the	1.98	0.5	7059	52	3
air	1.94	0.8	6876	78	3
quality	1.01	0.5	8733	60	7
index	0.65	0.7	1522	27	5
scale	1.43	0.4	1890	54	5

Keyword	CPC	PCC	Volume	Score
what is the air quality index scale	1.56	0.3	5644	53