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How many pollutants are measured under the recently launched National Air Quality Index ?

+1 vote
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How many pollutants are measured under the recently launched National Air Quality Index ?

  1. SIX
  2. SEVEN
  3. EIGHT
  4. TEN
posted Apr 22, 2015 by Divya Bharti

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1 Answer

+1 vote

Eight

Union government has launched the National Air Quality Index (AQI) for monitoring the quality of air in major urban centres across the country on a real-time basis and enhancing public awareness for taking mitigative action. The AQI has been at present launched for 10 cities — Delhi, Agra, Kanpur, Lucknow, Varanasi, Faridabad, Ahmadabad, Chennai, Bangalore and Hyderabad. The index considers eight pollutants — PM10, PM2.5, NO2, SO2, CO, O3, NH3 and Pb). The likely health implications of the six categories would also be provided with a colour code.

answer Apr 23, 2015 by Manikandan J
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