Table 1 RMSE value for each neighborhood for PM10, PM2.5, and nox pollutant (RMSE in µg/m3) - (Asterisks (*) indicate the optimal values among the compared results).

From: Unravelling the importance of spatial and temporal resolutions in modeling urban air pollution using a machine learning approach

K

PM10

PM2.5

NOx

RMSE

RMSE

RMSE

1

95.831

60.392

15.293

3

85.061

54.891

14.904

5

84.341

56.692

13.975*

7

84.751

55.715

15.066

9

83.622

52.914*

14.167

11

82.651*

59.076

14.018

13

83.603

60.842

14.728

15

83.424

62.893

14.407

17

83.485

55.117

14.983

19

83.594

56.268

14.912