Background and objectives: Tehran is one of the most polluted cities in the world in terms of air pollution. Modeling is a useful tool in air pollution management. The objectives of this study are to determine the distribution of the main air pollutants concentration in Tehran and to construct a photochemical model appropriate to the geography and natural characteristics of Tehran. Methods: In this research, by using the WRF / CAMx modeling system, the concentration of all pollutants from moving sources in a 60-day episode (22 November 2015 to 20 January 2016) is calculated in Tehran, and concentration contour has been plotted for NO 2 , CO, and PM 2.5 . In this regard, the emission inventory for moving sources has been calculated with coding in the FORTRAN and the outputs of the WRF meteorological model was prepared for air quality modeling and then, by using the CAMx model, the air quality of Tehran was simulated during this 60 day period.
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Saeedi et al. (2019) studied this question.
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