Q. CPCB has published the NAQI for 24 cities. What does NAQI stand for?- Published on 09 Feb 16
a. National Air Quality Index
b. National Air Quality Indices
c. National Atmospheric Quality Index
d. National Aerial Quality Indices
ANSWER: National Air Quality Indices
Central Pollution Control Board during the first week of February 2016 published the National Air Quality Indices for over 24 cities. The indices are published with colour code and numerical value to compare pollution levels across different cities. NAQI measures 8 pollutants namely particulate matter, SO2, NO2, CO, O3, NH3 and Pb. Varanasi in UP and Muzzafarpur in Bihar led the list with a AQI value of 409 points while the capital city of Delhi stood at sixth position.