Relationship Between Vehicle Count and Particulate Air Pollution in Amman, Jordan

The main objective of this cross-sectional comparative study is to observe the relationship between traffic-related air pollutants, particularly particulate matter (PM) of total suspended particulate (TSP) and PM of size 10 µm (PM10), and vehicle traffic in Amman, Jordan. Two study areas were chosen...

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Bibliographic Details
Published in:Asia-Pacific journal of public health 2015-03, Vol.27 (2), p.NP1742-NP1751
Main Authors: Alnawaiseh, Nedal Awad, Hashim, Jamal Hisham, Md Isa, Zaleha
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Air Pollution - analysis
Cross-Sectional Studies
Environmental Monitoring
Humans
Jordan
Motor Vehicles - statistics & numerical data
Particulate Matter - analysis
Temperature
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Summary:The main objective of this cross-sectional comparative study is to observe the relationship between traffic-related air pollutants, particularly particulate matter (PM) of total suspended particulate (TSP) and PM of size 10 µm (PM10), and vehicle traffic in Amman, Jordan. Two study areas were chosen randomly as a high-polluted area (HPA) and low-polluted area (LPA). The findings indicate that TSP and PM10 were still significantly correlated with traffic count even after controlling for confounding factors (temperature, relative humidity, and wind speed): TSP, r = 0.726, P < .001; PM10, r = 0.719, P < .001). There was a significant positive relationship between traffic count and PM level: TSP, P < .001; PM10, P < .001. Moreover, there was a significant negative relationship between temperature and PM10 level (P = .018). Traffic volume contributed greatly to high concentrations of TSP and PM10 in areas with high traffic count, in addition to the effect of temperature.
ISSN:1010-5395
1941-2479
DOI:10.1177/1010539512455046