Exams › SSC CGL (Prelims) › General

The National Air Quality Index (AQI) uses how many pollutants to calculate the index?

1. 5
2. 8
3. 10
4. 12

Correct answer: 8

Solution

India’s National AQI is calculated using 8 pollutants. These include PM10, PM2.5, NO2, SO2, CO, O3, NH3, and Pb.

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