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Tabinda, Amtul Bari
- Impact of Transport Sustainability on Air Quality in Lahore, Pakistan
Abstract Views :197 |
PDF Views:74
Authors
Affiliations
1 Sustainable Development Study Center, GC University, Near Nasir Bagh, Katchery Road, Lahore 54000, PK
1 Sustainable Development Study Center, GC University, Near Nasir Bagh, Katchery Road, Lahore 54000, PK
Source
Current Science, Vol 114, No 11 (2018), Pagination: 2380-2386Abstract
Transport sustainability has direct association with improvement of urban emissions levels. Different sustainable steps like promotion of public transport, walking or the use of bicycles, reduction in the number of personal cars and improvement in speed (up to 50 km/h), fuel and model of vehicles can decrease emissions levels in the cities. In this study, emission factors of seven different vehicles have been calculated using the OSPM software. An estimated decrease of 7% in NOx emission, 33% in CO emission and 25.8% in benzene emission has been observed with 10% reduction in the number of cars and 10 km/h gain in speed (from 40 to 50 km/h). It has also been observed that 2005 model buses using 1999 level fuel emit 1.3 times less benzene, NOx and CO emissions compared to 2000 model buses using the quality of fuel, which was available in 1990 in Europe.Keywords
Air Quality, Emission Factor, Fuel Quality, Public Transport, Transport Sustainability.Full Text
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- Seasonal Variations in Indoor Air Quality of Urban and Rural Asian Households
Abstract Views :154 |
PDF Views:72
Authors
Amtul Bari Tabinda
1,
Ruby Safdar
1,
Abdullah Yasar
1,
Rizwan Rasheed
1,
Adeel Mahmood
2,
Anum Iqbal
1
Affiliations
1 Sustainable Development Study Centre, Government College University, Lahore 54000, PK
2 Department of Environmental Sciences, Government College Women University, Sialkot 51310, PK
1 Sustainable Development Study Centre, Government College University, Lahore 54000, PK
2 Department of Environmental Sciences, Government College Women University, Sialkot 51310, PK
Source
Current Science, Vol 118, No 11 (2020), Pagination: 1816-1821Abstract
Burning of fuel for cooking and heating purposes causes smoke and other pollutants within households, resulting in direct human exposure. The present study focuses on assessment of seasonal variations in indoor air quality, including temperature, humidity, light, CO, SO2, PM10 and airborne bacteria. Gaseous emissions were analysed using digital metres and bacterial analysis was done by Gram staining method. Health data were gathered through questionnaires. Humidity, light intensity and concentration of CO, SO2 and PM10 were observed to be comparatively higher (P < 0.05) during winter and bacterial colonies were found to be comparatively higher (P < 0.05) in rural areas. About 80% of airborne bacteria in both urban and rural areas were Gram-positive. The indoor air quality of rural households was more polluted than urban households, and pollution was more in winter compared to summer due to inefficient cooking techniques and burning of biomass fuel.Keywords
Health Assessment, Indoor Air, Particulate Matter, Seasonal Variations, Urban and Rural Households.Full Text
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