Determination of the field amount of air pollution and PSI Index in the parking buses in Tehran city
Subject Areas : Water and EnvironmentNabi Ullah Mansouri 1 , Amir Jamshidi Ghasem Abadi 2
1 - Assistant Professor, Department of Environment and Energy, Science and Research Branch Tehran
2 - MSc in environmental engineering, air pollution trends, Department of Environment and Energy, Science and Research Branch Tehran
Keywords: Pollution, Environment, gaseous and particulate air po, PSI, city bus, stand,
Abstract :
Introduction: The destructive effects of air pollution on human health no one is wearing. The transport network management solutions to reduce pollution in metropolitan cities, including Tehran, especially buses and bus stop within the city, including places where the main air pollutants generated from the point of measurement is important. Methods: This was a cross-sectional study aims to determine the amount of gaseous pollutants and particulate matter (PM10) in the open air bus stop within the urban areas of East, West and South Tehran is to determine the amount of pollutants and pollution standard index (PSI), air quality in these areas should be assessed. Analyzers using the digital measurement of gaseous pollutants (SAAF22M, SAAC32M, SACO12M, SAO342M) and sampling PM10 (Low Sampler Model: BGIPQ100), the required sample taken from the summer 88 to spring 89. The PM sampling in a 24-hour period, 6 stations to sample the air gaseous pollutants in each 8-hour period (4 samples from each station for 4,5,9 and 11 O’clocks), a total of 6 samples for particulate matter and 144 the sample gases at the end of each season and 24 samples and 576 samples for gases and particles is obtained in one year. Conclusion: Research result shows that the rate of gas emissions in selected areas, the amount of pollution in any of the sites was not beyond the approved standards. The particulate matter (PM10) pollution levels in the summer and fall of 88 in southern Tehran 152/9 μg/Nm3 and 163/1 μg/Nm3, beyond the standard level.Using the survey results can be useful in devising management strategies to control and reduce emissions with the aim of improving the system utilized.