The spatial relationship between climatic factors and air pollution in the last 10 years of Tabriz city

Subject Areas : Environment, economy, engineering, urban planning and sustainable development

Fahimeh  Banasaleh ¹ (Environmental Education Department, Faculty of Agriculture and Natural Resources, Tabriz Branch, Islamic Azad University, Tabriz, Iran)
Mohammad Ebrahim  Ramazani ² (Department of Environmental Engineering, Research Center for Sustainable Development Management of Urmia Lake and Aras River Basin, Tabriz Branch, Islamic Azad University, Tabriz, Iran)
Ziba  Beheshti ³ (Sustainable Development Management Research Center of Urmia Lake and Aras River Basin, Tabriz Branch, Islamic Azad University, Tabriz, Iran)

Received: 2024-01-25 Accepted : 2024-02-17 Published : 2024-06-17

Keywords: Spatial relationship, Climatic factors, Air pollution, Significant correlation, Tabriz,

Abstract :

Air pollution poses a significant threat to many cities in Iran, with Tabriz the bustling metropolis, being particularly affected. Factors such as rapid population growth, rural migration, industrial expansion, vehicular density, topographical features and natural factors have collectively contributed to Tabriz becoming one of Iran’s most polluted cities. Beyond human-related factors, geographical factors including location, topography, and temperature inversions also play a crucial role in exacerbating air pollution in Tabriz. In this research, descriptive research methods drawing from meteorological and air pollution data sources were employed to investigate the spatial relationship between climatic factors and air pollution in Tabriz. By collecting and analyzing information from meteorological stations in Tabriz and air quality measurement stations related to Tabriz, we created integrated maps using Geographical Information System (GIS) software. These maps visually depicted pollution distribution and zoning. According to the results of the research, a significant spatial relationship and correlation exist between meteorological parameters and air pollution parameters. Additionally, the distribution of air pollution parameters across the surface of Tabriz city reveals that the highest pollution levels, attributed to polluting gases such as SO2, NO2, O3, and CO, occur in the western and central parts of the city. Conversely, suspended particles contribute to the most pollution in the eastern side of Tabriz. Furthermore, the seasonal quality index indicates that summer and spring experience the least air pollution, while autumn and winter exhibit the highest levels.

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