Supplementary material

Table S11. Selected percentiles for predictors (annual surface and column models) at the monitoring sites and mesh block centroids.

	Surface model							Column model
Predicted NO2 (ppb)	2006	2007	2008	2009	2010	2011		2006	2007	2008	2009	2010	2011
Min.	1.2	1.1	0.9	0.7	0.6	0.4		2.0	1.8	1.7	1.6	1.4	1.3
1st	2.1	1.9	1.7	1.6	1.4	1.2		2.5	2.3	2.2	2.0	1.8	1.8
5th	2.7	2.6	2.4	2.2	2.1	1.9		2.7	2.5	2.4	2.2	2.1	2.0
25th	4.3	4.1	3.9	3.7	3.6	3.4		4.1	3.9	3.7	3.6	3.4	3.3
50th	6.3	6.0	5.9	5.7	5.5	5.3		6.2	6.0	5.8	5.7	5.4	5.3
75th	8.9	8.5	8.4	8.2	7.9	7.8		8.9	8.6	8.2	8.1	7.8	7.8
95th	13.0	12.5	12.4	12.3	11.9	11.7		13.1	12.7	12.2	12.4	11.9	11.8
99th	16.9	16.5	16.4	16.2	15.8	15.7		17.2	16.8	16.3	16.4	15.9	15.9
Max.	38.3	38.1	37.9	37.7	37.5	37.4		38.2	38.0	37.6	37.6	37.3	37.1
Unweighted mean	6.9	6.6	6.5	6.3	6.1	5.9		6.8	6.6	6.3	6.3	6.0	5.9
Population-weighted mean	7.3	7.0	6.9	6.7	6.5	6.3		7.3	7.1	6.7	6.7	6.4	6.3

Table S12. Summary statistics for NO₂ concentrations predicted at each mesh block centroid across Australia by the annual surface and column models.


Table S13. Summary statistics for NO₂ concentrations predicted at each mesh block centroid in the greater Sydney area by the annual surface and column models.

	Surface model							Column model
Predicted NO2 (ppb)	2006	2007	2008	2009	2010	2011		2006	2007	2008	2009	2010	2011
Min.	4.1	3.9	3.7	3.5	3.4	3.2		3.2	3.1	2.9	2.8	2.7	2.5
1st	5.3	5.0	4.7	4.5	4.3	4.1		4.9	4.6	4.4	4.0	3.9	3.9
5th	6.1	5.8	5.6	5.4	5.1	5.0		6.1	5.7	5.5	5.0	4.9	4.9
25th	7.9	7.6	7.3	7.1	6.8	6.7		7.9	7.6	7.2	6.7	6.6	6.7
50th	9.8	9.5	9.2	9.0	8.7	8.6		9.8	9.4	9.0	8.4	8.4	8.4
75th	11.5	11.2	11.0	10.7	10.4	10.3		11.6	11.2	10.8	10.3	10.2	10.3
95th	14.7	14.5	14.2	13.9	13.6	13.6		15.0	14.7	14.3	13.7	13.6	13.7
99th	18.2	18.0	17.7	17.4	17.1	17.1		18.5	18.1	17.7	17.2	17.0	17.1
Max.	37.4	37.2	36.9	36.6	36.3	36.3		38.0	37.9	37.5	36.9	36.7	36.9
Unweighted mean	9.9	9.7	9.4	9.1	8.9	8.8		10.0	9.6	9.3	8.8	8.7	8.7
Population-weighted mean	9.9	9.6	9.3	9.1	8.8	8.7		9.9	9.6	9.2	8.7	8.6	8.7

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