Ambient air quality evaluation: a comparative study in China and Pakistan

• Autorzy: Niaz Y. , Zhou J. , Iqbal M. , Nasir A. , Dong B.
• Języki publikacji: EN

Abstrakty

EN

Vehicle and industrial emissions are responsible for a considerable share of urban air pollution concentrations. We conducted a comparative study in Dalian, China and Faisalabad, Pakistan to reevaluate NO₂, SO₂, and CO concentrations. Our study was conducted over the course of one year at different stations in both cities, and measured values were compared with ambient air quality standards such as NEQS-Pakistan, NAAQSUSEPA, CNAAQS-China, and global standard WHO. The NO₂ concentrations in Faisalabad varied from 185- 262 μg/m³ , whereas it was in the range of 44-133 μg/m³ in Dalian. The SO₂ concentration was found in the range of 66-190 μg/m³ and 56-128 μg/m³ , while CO varied from 5.4-22.3 mg/m³ and 0.3-2.8 mg/m³ , respectively, in Faisalabad and Dalian. The annual average NO₂, SO₂, and CO concentrations were below the permissible limits in Dalian; however, the measured values were considerably higher in Faisalabad. Our results are the first to compare air quality of two countries at different stations and highlight the possibility of reducing air pollution by comparing conditions.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2015
• Tom: 24
• Numer: 4
• Opis fizyczny: p.1723-1732,fig.,ref.

Twórcy

autor

Niaz Y.

• Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China

autor

Zhou J.

• Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China

autor

Iqbal M.

• National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, Pakistan

autor

Nasir A.

• Department of Structures and Environmental Engineering, University of Agriculture, Faisalabad 38000, Pakistan

autor

Dong B.

• Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China

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Identyfikatory

DOI

10.15244/pjoes/38970