unpolluted [Adjective] + air [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
76.61
AWT:
48,214,601
TTEST:
1.9
G2:
23.15
FAWT:
1.13
MI:
4.39
LOGLOG:
8.79
JD:
0.39
MI3:
8.39
DICE:
0.04
RANGE: