Q. Which of the following pollutant/s is/are part of National Air Quality Index (NAQI)?
1.Carbon dioxide
2.Carbon monoxide
3.Methane
Select the correct answer from the given codes:

[A] Only one

[B] Only two

[C] Only three

[D] None

Answer: D
Notes:

Explanation: National Air Quality Index (NAQI) is released by Central Pollution Control Board (CPCB).

It Includes 8 pollutants-PM10, PM2.5, NO2, Ozone, SO2, CO, NH3 and lead (Pb).

Source: FORUMIAS

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