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Ecology & Environment
Pradeep Kumar

22/05/21 12:00 PM IST

Release of- High Resolution Emission Inventory (400 meters)

In news
Pune emission inventory report to understand the contribution of various sources of emissions in Pune Air quality has been released

Details
  • The final product yielded mapping of pollution sources in each 400m x 400m grid of PMR for 8 major pollutants namely, PM2.5, PM10, NOx, CO, SO2, BC, HC.
  • The emission inventory campaign has been led by Indian Institute of Tropical Meteorology (IITM) Pune under the Ministry of Earth Sciences along with SPPU
  • Geographical Information System (GIS)-based statistical emission model developed by scientist of IITM is used to develop fine resolution of 400m gridded products. 
  • This exercise was earlier done in 2012-13 at the advent of SAFAR system with a resolution of 1km. 
Highlights of Emission report
  • A comparison of earlier (Yr-2012-13) emission inventory with the current (Yr-2019-20) inventory in PMR suggests a significant increase in Pune's overall emission load.
  • The air quality of Pune is mainly regulated by particulate pollutants (PM2.5 and PM10).
  • A significant growth in the emissions of particulate pollutants has been observed during the past seven years.
  • An increase of 70% and 61% is found in PM2.5 and PM10 respectively from 2012-13 to 2019-20.
  • There has been an enormous growth in the number of vehicles in PMR during the past decade. Transportation sector is found to be the major contributor in PM2.5 emissions as compared to rest of the sources.
  • Though industrial production has increased over the years, emissions show a minimal rise as compared to other sectors.
Source: PIB, Indian Express 

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