Air Quality Indexes

  • The ambient air quality in India is monitored collectively by CPCB, state pollution control boards (SPCBs), pollution control committees (PCCs), and National Environmental Engineering Research Institute (NEERI) in cities, and covers 215 cities and towns.
  • Robust monitoring helps to guard against extreme events by alerting people and initiate action.
  • A total of 12 pollutants, including SO2, NO2, PM10, PM2.5 (particulate matter of up to 10 micron and up to 2.5 micron size), ozone, lead, arsenic, nickel, CO, NH3, benzene, and BaP (particulate phase) are regulated.
  • Across cities, only SO2, NO2 and RSPM / PM10 are monitored regularly.
  • Other pollutants, such as PM2.5, ....
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Ecology & Environment