DOI: 10.5176/2251-189X_SEES28

Authors: Mohamed Al-Sahali, Hisham Ettouney, Fatemah Al-Baroud & Aisha Al-Baroud

Abstract: A study of air pollution in Jahra residential area has been conducted over a period of one year on a 24 hours basis. Measurements of air pollutants and meteorological parameters were taken at 5 minutes intervals at Jahra in 2004. The measured pollutants included SO2, NOx, PM10, CO, O3, methane hydrocarbons (MHC) and non-methane hydrocarbons (NMHC)). Meteorological parameters monitored simultaneously included ambient temperature and solar intensity. Hourly averages were calculated from the measured data. Wind roses were prepared over the study period to determine prevailing wind direction and wind speed. Comparison of measured data for CO, NOx, and SO2 was made against US-EPA standards. Analysis of this data show that some pollutants are within or below the US-EPA standards, however, other pollutants such as NOx and SO2 exceeded these limits. Higher NOx and SO2 values were caused by increase in the density of population, motor vehicles, power generation, and industrial activities.

Keywords: meteorological parameters, wind roses, AERMOD dispersion model

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