Fig. 7. WRF-Chem PM2.5 (top panels) and NOx concentrations (bottom panels) in Qatar for the month of January 2021 predicted by the base case forecast simulation [using EDGAR emission inventory (left panels)] and the new forecast simulation [using a local emission inventory based on current high-resolution land-use coverage data (right panels)]. Black circles show the location of the metropolitan area of Doha, and the industrial cities of Ras-Laffan in the north and Mesaieed in the Southeast of Doha.