Graphic Yearbook 2013
Tab. 6 Parameters of NO2 and NOx maps
| Linear regression model + interpolation of residuals | NO2 annual average |
NOx annual average |
||||
| rural areas | urban background | traffic | rural areas | urban background | traffic | |
| c (constant) | 14.26 | 18.33 | 38.38 | 21.67 | 32.92 | 83.41 |
| a1 (model SYMOS) | 0.65 | 1.70 | 3.35 | 0.73 | 3.59 | |
| a2 (altitude) | -0.01 | -0.01 | -0.04 | -0.02 | -0.04 | -0.15 |
| a3 (emissions of NOx from REZZO 4) | 0.23 | -0.17 | 0.41 | |||
| weight IDW | 2 | 1 | 1 | 1.6 | 1 | 1 |
| RMSE [µg.m-3] | 1.8 | 4.0 | 6.5 | 3.0 | 8.4 | 21.8 |
| relat. RMSE [%] | 17 | 20 | 20 | 23 | 30 | 32 |
