environment medium Fill in the Blank

The National Air Quality Index (AQI) in India considers _____ key pollutants for calculating the index value.

  1. 5
  2. 6
  3. 8
  4. 10

Answer: 8

India's AQI is based on PM10, PM2.5, NO2, SO2, CO, O3, NH3, and Pb, providing a comprehensive assessment of air quality.

Topic Environmental Health
Exam Relevance UPSC, SSC
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