Table 3.

Population-weighted annual average NO₂ (ppb) Concentrations by Census 2000, Census 2010 and ACS 2006–2010 demographic and geographic subpopulations

		Full State				Urban				Rural
	NO2 2005, Census 2000	NO2 2010, Census 2010	Absolute Changea	Relative Changeb	NO2 2005, Census 2000	NO2 2010, Census 2010	Absolute Changea	Relative Changeb	NO2 2005, Census 2000	NO2 2010, Census 2010	Absolute Changea	Relative Changeb
Race/Ethnicity
Total	13.2	10.4	−2.8	−21.4	13.7	10.8	−2.9	−21.2	10.5	7.9	−2.6	−24.8
non-Hispanic white	12.7	9.8	−2.9	−23.0	13.0	10.2	−2.9	−22.2	10.4	7.9	−2.5	−24.4
non-Hispanic black	14.9	11.8	−3.1	−20.8	14.8	12.0	−2.9	−19.3	10.9	7.5	−3.3	−30.8
non-Hispanic Asian	15.8	12.3	−3.5	−22.2	15.5	12.5	−3.0	−19.2	11.6	7.5	−4.0	−35.0
non-Hispanic other	14.9	11.5	−3.3	−22.5	14.8	11.9	−2.9	−19.6	10.6	7.8	−2.8	−26.3
Hispanic	15.8	12.8	−3.0	−19.2	15.9	13.0	−2.9	−18.0	11.2	7.6	−3.6	−32.0
	NO2 2005 Census 2000	NO2 2010, ACS 2010	Absolute Changea	Relative Changeb	NO2 2005, Census 2000	NO2 2010, ACS 2010	Absolute Changea	Relative Changeb	NO2 2005, Census 2000	NO2 2010, ACS 2010	Absolute Changea	Relative Changeb
Educational Attainment
Total	13.1	10.3	−2.8	−21.7	13.7	10.7	−3.0	−21.7	10.4	7.9	−2.6	−24.5
< High School	14.5	11.9	−2.7	−18.3	15.1	12.3	−2.8	−18.5	10.6	8.0	−2.6	−24.4
High School Grad	13.0	10.2	−2.8	−21.5	13.5	10.6	−2.9	−21.5	10.4	7.9	−2.5	−23.8
Post-Secondary	12.5	9.7	−2.8	−22.4	13.0	10.1	−2.9	−22.4	10.4	7.9	−2.5	−24.0
Bachelors	12.9	10.1	−2.9	−22.0	13.5	10.5	−3.0	−22.1	10.5	7.9	−2.6	−24.7
Masters	13.3	10.5	−2.8	−21.2	13.9	10.9	−2.9	−21.1	10.5	7.8	−2.8	−26.2
Total	13.3	10.5	−2.8	−21.4	13.9	10.9	−3.0	−21.4	10.4	7.9	−2.6	−24.5
Median Household Income
<20,000	14.4	11.7	−2.7	−18.5	15.0	12.2	−2.8	−18.8	10.5	7.8	−2.6	−24.4
20–35,000	13.6	10.9	−2.7	−20.1	14.2	11.3	−2.9	−20.1	10.3	7.8	−2.5	−23.8
35–50,000	13.4	10.6	−2.7	−20.3	13.9	11.1	−2.8	−20.4	10.3	7.8	−2.5	−24.0
50–75,000	13.0	10.4	−2.6	−20.2	13.6	10.8	−2.8	−20.3	10.4	7.9	−2.6	−24.7
>75,000	12.7	9.9	−2.8	−22.1	13.2	10.3	−2.9	−21.9	10.6	7.9	−2.8	−26.2

^aAbsolute change in concentrations (ppb)

^bPercentage change in concentrations