Spatial Interpolation of Toxic air Pollutants in Jeddah City, Saudi Arabia
Authors: Mohamed Al MENTASHRI  , Wael El ZEREY  
Published: July 2022

This work aimed to study hazardous air pollutants in Jeddah city, between 2010 - 2018. The study of the spatial distribution of (NOX, SO2, PM10) was done by the application of the geostatistical method IDW. Daily observation Data were collected from three field observation stations (Bani Malik, Stadium, Industrial activity), and treated in ArcGIS environment. According to the obtained results, in the year 2010, NOX varies between (25 – 62.99 ppb), with very important concentrations in the south of the study area, surrounding the industrial activities. While in the year 2018, the highest concentrations were between (25 – 30.99 ppb) in the north of the study area. the spatial distribution of SO2 was very important in the south of the study area, compared to the highest concentrations in the north in 2018. The spatial distribution of PM10 was between (153 – 173 µg/m3) in the south of the study area, in 2018 we noticed a decrease of the PM10 concentration, in the industrial area with values between (67 – 77 µg/m3). Even though a lot of work must be done to improve air quality in the city of Jeddah to meet international air quality standards in modern cities.

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