Interpolation - Using Monitoring AQ data

Hi all,

I have recently used the Monitoring data, and tried to use the interpolation method in order to create an air quality surface. Unfortunately, after interpolation, the number of rows in the table of baseline air quality surface was much decreased in comparison with the grid definition. Accordingly, the number of rows for air quality scenario, delta, and health impact result did not match with the population file, and only half of the population was considered. I was wondering if you could guide me how to interpolate the monitoring data without loosing the grid cells and also gain more precise values for all the considered region.

I deeply appreciate your help.

Best Regards,