Impact of current policies on future air quality and health outcomes in Delhi, India

Dholakia, H.H., Purohit, P. ORCID: https://orcid.org/0000-0002-7265-6960, Rao, S., & Garg, A. (2013). Impact of current policies on future air quality and health outcomes in Delhi, India. Atmospheric Environment 75 241-248. 10.1016/j.atmosenv.2013.04.052.

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Abstract

A key policy challenge in Indian megacities is to curb high concentrations of PM2.5 and mitigate associated adverse health impacts. Using the Greenhouse Gases and Air Pollution Interactions and Synergies (GAINS) model we carry out an integrated analysis of the air quality regulations across different sectors for the city of Delhi. Our findings show that PM2.5 concentrations for Delhi will not reach the recommended national ambient air quality standards (NAAQS) even by 2030 under the current policies scenario. Adopting advanced control technologies reduces PM2.5 concentrations by about 60% and all-cause mortality by half in 2030. Climate change mitigation policies significantly reduce greenhouse gases, but have a modest impact on reducing PM2.5 concentrations. Stringent policies to control the net flow of air pollution from trans-boundary sources will play a crucial role in reducing pollution levels in Delhi city. Achieving NAAQS requires a stringent policy portfolio that combines advanced control technologies with a switch to cleaner fuels and the control of trans-boundary pollution.

Item Type:	Article
Uncontrolled Keywords:	GAINS model; Fine particulate matter; Public policy; Control scenarios
Research Programs:	Air Quality & Greenhouse Gases (AIR) Energy (ENE) Mitigation of Air Pollution (MAG)
Bibliographic Reference:	Atmospheric Environment; 75:241-248 (August 2013)
Depositing User:	IIASA Import
Date Deposited:	15 Jan 2016 08:48
Last Modified:	27 Aug 2021 17:23
URI:	https://pure.iiasa.ac.at/10436

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