Table A1.

Statistics showing the model performance for PM₁₀ concentrations.

City	Gbg	Gbg	Umea	Umea	Sthlm	Sthlm	Sthlm	Sthlm
Station	Haga	Gårda	Bibl.	Västra Esp.	Torkel.	Hornsg.	Sveav.	Norrlandsg.
Type	Traffic	Traffic	UB	Traffic	UB	Traffic	Traffic	Traffic
aver mon	24.2	25.8	11.4	23.5	14.1	36.5	29.9	29.1
aver mod	21.7	27.1	10.2	23.8	13.4	37.6	29.5	33.8
diff (abs)	2.5	−1.3	1.2	−0.4	0.7	−1.0	0.4	−4.7
diff (%)	11%	−5%	10%	−2%	5%	−3%	1%	−16%
IA	0.30	0.09	0.33	0.82	0.94	0.93	0.81	0.80
n	5	8	9	6	12	12	10	10

Aver mon: annual average of monitoring data; aver mod: annual average from model results; diff (abs): absolute difference between annual averages from model and monitoring; diff (%): relative difference between annual averages from model and monitoring; IA: Index of Agreement; n: number.