Document Type : Research Paper


1 Petroleum Technology Department, University of Technology - Iraq

2 Environmental Research Center, University of Technology - Iraq

3 Civil Engineering Department, University of Technology - Iraq


Air pollution is increased significantly nowadays due to various
industrial activities and car combustion emissions. In this work, data have been
collected from Al-Jadrya Monitoring Station (JMS). The effects of seasonal
variation on the pollutants concentration were examined. Furthermore,
relations of nitrogen oxides concentrations (NOx) were assessed during the first
hours of the working days. Three randomly days from each of January,
February, July and August have been taken to represent winter and summer
seasons, respectively. It has been found that concentrations of all examined
pollutants have not exceeded the acceptable limits. However, nitrogen oxides
(NOx) seem to be effected by seasonal variation where its concentration has
increased in June and August of the summer season. The concentrations of other
pollutants (SO2, CO, PM) have not been influenced by seasonal variations, and
they depend on the gaseous source emissions at different times of the year.
Hourly monitoring for nitrogen oxides (NOx) concentration showed increasing
in concentrations during the summer season, especially in the early hours of the
working days.


Main Subjects

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