Spatial Variation in Urban Air Pollution: A GIS Based Approach in Faisalabad, Pakistan
Journal Title: ASIAN JOURNAL OF NATURAL & APPLIED SCIENCES - Year 2015, Vol 4, Issue 3
Abstract
Air pollution is becoming more acute problem across the world as well in the major cities of Pakistan. Faisalabad is the main industrial hub and the 3rd largest city of Pakistan. Where situation is aggravating day by day, by rapid urbanization, industrial expansion, population growth and increasing volume of traffic are major factor responsible for environmental pollution is generally an air particle. The study was conducted to assess the present situation with respect to total suspended particulate concentration and lead concentration in ambient air of Faisalabad, and to suggest remedial measures 30 sites were selected from different areas of Faisalabad city. Samples were collected and analyse for the month of October and November 2012. The field work comprises of sample collection, whereas TSP and lead concentration, level of NOx, COx and SOx were determined respectively in the laboratory of Environmental protection department of Faisalabad. The mean TSP level in the ambient air was 381.63. The concentration of TSP was found ranging from 203-515 µg/m3 with average worth 381 µg/m3 throughout the whole study duration. The TSP concentration in the study area was 40 percent within the limit of NEQS. Lead contents were recorded 0.07 to 18µg/m3 (4.97µg/m3 average) throughout whole study duration. The mean lead level in the ambient air was 4.97 micrograms per cubic meter. The lead concentration in the selected areas was 70 percent exceed the NEQS. Level of NOx in the range of 26 µg/m3to 64 µg/m3. Athematic mean of level of NOx was 41.4 µg/m3. Level of SOx is in the range of 110 µg/m3to 150 µg/m3. Arithmetic mean of level of SOx was 126.2 µg/m3. Level of COx in the range of 6.5 µg/m3to 20 µg/m3. Arithmetic mean of level of COx was 13.34 mg/m3. The obvious reason noted for high concentration of TSP, Lead Concentration, Level of NOx, COx and SOx were rapid urbanization, industrial expansion, population growth and increasing volume of traffic.
Authors and Affiliations
Muhammad Shakeel, Ahfaz Khan, Ali Rehan Munir, Tanveer Ahmed
Keywords
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