Consider the following statements in context of National Air Quality Index 1 It is la...........

Environment and Ecology Pollution

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Consider the following statements in context of National Air Quality Index:

1. It is launched under Swachh Bharat Abhiyan.

2. Under NAQI air quality would be measured for 6 parameters

3. Air Quality based on measurement would be categorized into 4 categories

Which of the statements mentioned above is/ are correct?

2 and 3 only

1 and 2 only

1 only

All of the above

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Explanation:

National air quality index is an initiative launched by environment ministry under swachh bharat abhiyan-2014. it will measure 8 pollutants-
PM10
PM2.5
NO2
SO2
CO
O3
NH3
Pb
It has 6 categories of air quality-
Good,
Satisfactory,
Moderately polluted,
Poor,
Very poor and
Severe.