Table 2 Classification of WQI evaluation levels.

From: Offshore wind farm operation contributed to a slight improvement in seawater quality along the Jiangsu Coast, China

\(WQI\)

Pollution level

Evaluation grade

\(WQI\)<0.75

1

Clean

\(0.75\le WQI<1\)

2

Slightly polluted

\(1\le WQI<1.25\)

3

Moderately polluted

\(WQI\ge 1.25\)

4

Severely polluted

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