As per the Air Quality Index(AQI), “Chennai in the red zone”. In t – McqOptions

MCQOPTIONS

1.	As per the Air Quality Index(AQI), “Chennai in the red zone”. In this context, what is the value of PM2.5 as per AQI?
A.	51-100
B.	101-200
C.	201-300
D.	301-400
Answer» E.

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