Surface and aloft NO2 pollution over the greater Tokyo area observed by ground-based and MAX-DOAS measurements bridged by kilometer-scale regional air quality modeling

Progress in Earth and Planetary Science

Table 2 Hourly correspondence between modeled surface and aloft (averaged over 0–1 km) NO₂ concentrations over land area

LT	Surface	Aloft (0-1 km)	Slope	Intercept	R
0	10.54 ± 6.73	5.10 ± 2.68	0.384	1.047	0.964
1	9.71 ± 6.41	4.66 ± 2.60	0.393	0.847	0.966
2	9.29 ± 6.47	4.36 ± 2.67	0.399	0.654	0.966
3	9.36 ± 6.72	4.22 ± 2.75	0.393	0.547	0.957
4	9.89 ± 6.92	4.26 ± 2.78	0.380	0.497	0.945
5	11.20 ± 7.47	4.49 ± 2.89	0.360	0.451	0.932
6	13.16 ± 8.22	4.98 ± 3.07	0.348	0.406	0.931
7	12.64 ± 7.39	5.10 ± 2.90	0.370	0.419	0.945
8	11.06 ± 6.35	5.15 ± 2.81	0.426	0.435	0.963
9	9.81 ± 5.87	5.22 ± 2.85	0.475	0.563	0.978
10	8.82 ± 5.60	5.20 ± 2.97	0.520	0.613	0.980
11	8.03 ± 5.21	5.07 ± 2.93	0.547	0.676	0.974
12	7.61 ± 4.74	4.91 ± 2.67	0.542	0.785	0.963
13	7.89 ± 4.78	5.00 ± 2.61	0.520	0.892	0.955
14	8.56 ± 5.15	5.29 ± 2.73	0.503	0.979	0.951
15	10.08 ± 6.12	5.94 ± 3.09	0.478	1.115	0.949
16	12.95 ± 8.02	6.78 ± 3.67	0.436	1.134	0.953
17	14.78 ± 9.13	6.95 ± 3.85	0.406	0.948	0.963
18	14.83 ± 8.90	6.74 ± 3.65	0.393	0.903	0.957
19	14.74 ± 8.63	6.55 ± 3.34	0.368	1.115	0.952
20	14.26 ± 8.43	6.24 ± 3.15	0.357	1.143	0.958
21	13.13 ± 8.01	5.83 ± 3.09	0.371	0.960	0.960
22	12.01 ± 7.73	5.48 ± 3.03	0.379	0.927	0.965
23	11.23 ± 7.52	5.24 ± 2.98	0.383	0.936	0.968

The total number of grid cells in the finest modeling domain of land area is 6234