Spatial distribution map of air pollutants and its impact on human health for Tiruchirappalli City using GIS techniques
Paper Details
Spatial distribution map of air pollutants and its impact on human health for Tiruchirappalli City using GIS techniques
Abstract
Air pollution poses a serious challenge for urban areas, particularly in developing cities like Tiruchirappalli. This study assess the ambient air quality and prepare the maps for Tiruchirappalli using geospatial techniques and focused on air pollutants such as Nitrogen Oxides (NOx), Sulfur dioxide (SO₂), Particulate Matter (PM10 and PM2.5), Total Suspended Particulate Matter (TSPM) and Carbon Monoxide (CO), which are primarily responsible for the poor air quality in the city. Data for these pollutants were collected from 13 different sampling locations within the city. Spatial interpolation techniques, specifically Inverse Distance Weighting (IDW), were applied to represent the distribution of air quality across the study area during the summer months from January to March 2024. This period was chosen due to the high dispersion characteristics of air pollutants. The generated spatial distribution maps identified potential air pollution hotspots within the city, particularly in the areas with high traffic density where elevated levels of NOx and CO were observed. The outcomes of this study hold significant implications for urban planning, management and public health strategies in Tiruchirappalli city, emphasizing the need for targeted interventions to mitigate air pollution in identified polluted areas.
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