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TIME SERIES STUDY OF AIRBORNE PARTICULATE MATTER (PM10) IN KATHMANDU VALLEY, NEPAL

S. Shrestha, G. R. Joshi, R. Deshar, G. Shrestha, P. R.Joshi

First published: 2007DOI pendingView metrics

Abstract

Air pollution is a growing environmental problem in the major cities of the world due to growing urbanization, motorization and industrialization, Kathmandu valley is not exception. In the valley (Kathmandu, Lalitpur and Bhaktrapur cities), quantity of Particulate Matter (PM10) is higher than WHO guideline (20 $\mu$g/m3 per year \&50 $\mu$g/m3 per 24 hour). This paper presents four years (2003-2006) monitoring and analysis of PM10 from 6 different stations of Kathmandu valley as well as tried to correlate among PM10, rainfall and temperature. Maximum monthly average PM10 is recorded as 253 $\mu$g/m3 in February, 2003 and minimum average is 49$\mu$g/m3 in July, 2006 where as average PM10 of Kathmandu valley in between 200 to 2006 is 128$\mu$g/m3 which reveals the poor status of air quality. Furthermore, attempt has been made to correlate among PM10, rainfall and temperature, and analysis shows negative correlation (PM10 and rainfall r= -0.712; PM10 and Max. temperature r= -0.614; PM10 and Min. temperature r= -0.805).

Publication details

Title
TIME SERIES STUDY OF AIRBORNE PARTICULATE MATTER (PM10) IN KATHMANDU VALLEY, NEPAL
Authors
S. Shrestha, G. R. Joshi, R. Deshar, G. Shrestha, P. R.Joshi
Proceedings
7th International Scientific Conference - SGEM2007
Publisher
SGEM Scientific GeoConference
Year
2007
Pages
Not available yet
SWS Citekey
Shrestha200783
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Keywords
Air pollutionEcology and Environmental ProtectionKathmandu valleyNepalPM10
References14

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