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?MEASUREMENT OF MAJOR AMBIENT AIR POLLUTION COMPONENTS AT SUB-URBAN AREA OF KARACHI

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Title: ?MEASUREMENT OF MAJOR AMBIENT AIR POLLUTION COMPONENTS AT SUB-URBAN AREA OF KARACHI

Authors: A H K Yousufzai, Durdana Rais Hashmi

Journal: Pakistan Journal of Scientific and Industrial Research (Series B: Biological Sciences)

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
Y 2020-07-01 2021-06-30
Y 1900-01-01 2005-06-30

Publisher: PCSIR Scientific Information Centre

Country: Pakistan

Year: 1999

Volume: 42

Issue: 4

Language: English

Keywords: Ambient air pollution components Photochemical oxidant Baseline dataOzone.

Categories
Environmental Science (16313) Air Pollution (86) Atmospheric Chemistry (9) Environmental Engineering (2142) Analytical Chemistry (1778)

Abstract

Base line study for the measurement of major ambient air pollution components such as 0.1, SOl, CO, NO, NOx, PM I0, methane, non-methane along with the meteorological parameters was carried out by Air pollution Monitoring Mobile Laboratory at an urban back ground site of Karachi. The average concentration of 0, was found to be between 4.62 and 20.36 ppb. S02 0.73 and 4.69 ppb, CO 0.14 and '0.77 ppill. NO 0.92 and 2.73 ppb. NOx 3.1 and 7.5 ppb, PMIO 142 and 251 ug rn', methane 1.09 and 2.7 ppm, non-methane hydrocarbon 0.41 and 0.96 ppm.

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