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A review on recent progress in observations, sources, classification and regulations of PM2.5 in Asian environments

Gautam, S, Yadav, A, Tsai, CJ and Kumar, P (2016) A review on recent progress in observations, sources, classification and regulations of PM2.5 in Asian environments Environmental Science and Pollution Research, 23 (21). pp. 21165-21175.

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Abstract

Natural and human activities generate a significant amount of PM2.5 (particles ≤2.5 µm in aerodynamic diameter) into the surrounding atmospheric environments. Because of their small size they can remain suspended for a relatively longer time in the air than coarse particles and thus can travel long distances in the atmosphere. PM2.5 is one of the key indicators of pollution and known to cause numerous types of respiratory and lung related diseases. Due to poor implementation of regulations and a time lag in introducing the vehicle technology, levels of PM2.5in most Asian cities are much worse than those in European environments. Dedicated reviews on understanding the characteristics of PM2.5in Asian urban environments are currently missing but much needed. In order to fill the existing gaps in the literature, the aim of this review article is to describe dominating sources and their classification, followed by current status and health impact of PM2.5, in Asian countries. Further objectives include a critical synthesis of the topics such as secondary and tertiary aerosol formation, chemical composition, monitoring and modelling methods, source apportionment, emissions and exposure impacts. The review concludes with the synthesis of regulatory guidelines and future perspectives for PM2.5 in Asian countries. A critical synthesis of literature suggests a lack of exposure and monitoring studies to inform personal exposure in the household and rural areas of Asian environments.

Item Type: Article
Subjects : Environmental Engineering
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
AuthorsEmailORCID
Gautam, SUNSPECIFIEDUNSPECIFIED
Yadav, AUNSPECIFIEDUNSPECIFIED
Tsai, CJUNSPECIFIEDUNSPECIFIED
Kumar, PUNSPECIFIEDUNSPECIFIED
Date : November 2016
Identification Number : 10.1007/s11356-016-7515-2
Copyright Disclaimer : The final publication will be available at Springer via http://dx.doi.org/10.1007/s11356-016-7515-2
Depositing User : Symplectic Elements
Date Deposited : 25 Aug 2016 12:24
Last Modified : 29 Nov 2016 15:41
URI: http://epubs.surrey.ac.uk/id/eprint/811827

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