Table 2.

Population-weighted annual average PM_2.5 (μg/m³) Concentrations by Census 2000, Census 2010 and ACS 2006–2010 demographic and geographic subpopulations

		Full State				Urban				Rural
	PM2.5 2003, Census 2000	PM2.5 2010, Census 2010	Absolute Changea	Relative Changeb	PM25 2003, Census 2000	PM25 2010, Census 2010	Absolute Changea	Relative Changeb	PM25 2003, Census 2000	PM25 2010, Census 2010	Absolute Changea	Relative Changeb
Race/Ethnicity
Total	11.2	8.0	−3.2	−28.7	11.4	8.1	−3.2	−28.3	10.1	6.8	−3.3	−32.7
non-Hispanic white	11.1	7.8	−3.2	−29.2	11.3	8.1	−3.2	28.6	10.1	6.8	−3.3	−32.7
non-Hispanic black	11.7	8.4	−3.4	−28.6	11.8	8.4	−3.4	−28.6	10.4	6.9	−3.5	−33.6
non-Hispanic Asian	11.6	8.2	−3.4	−29.0	11.7	8.3	−3.4	−28.8	10.8	7.0	−3.8	−35.0
non-Hispanic other	11.4	8.2	−3.3	−28.6	11.6	8.3	−3.3	−28.4	10.2	6.9	−3.3	−32.6
Hispanic	11.6	8.4	−3.2	−27.4	11.6	8.5	−3.2	−27.3	10.5	6.9	−3.6	−34.4
	PM2.5 2003 Census 2000	PM2.5 2010, ACS 2010	Absolute Changea	Relative Changeb	PM2.5 2003, Census 2000	PM2.5 2010 ACS 2010	Absolute Changea	Relative Changeb	PM2.5 2003, Census 2000	PM2.5 2010, ACS 2010	Absolute Changea	Relative Changeb
Educational Attainment
Total	11.2	7.9	−3.2	−28.8	11.4	8.1	−3.2	−28.4	10.1	6.8	−3.3	−32.8
< High School	11.3	8.2	−3.1	−27.6	11.5	8.3	−3.1	−27.3	10.1	6.8	−3.4	−33.2
High School Grad	11.1	7.9	−3.2	−28.7	11.3	8.1	−3.2	−28.2	10.0	6.8	−3.3	−32.7
Post-Secondary	11.1	7.9	−3.2	−28.9	11.3	8.1	−3.2	−28.5	10.0	6.8	−3.3	−32.5
Bachelors	11.2	7.9	−3.3	−29.3	11.3	8.1	−3.3	−28.8	10.2	6.8	−3.4	−33.1
Masters	11.2	8.0	−3.3	−29.0	11.4	8.2	−3.3	−28.6	10.2	6.8	−3.4	−33.0
Median Household Income
Total	11.2	8.0	−3.2	−28.7	11.4	8.2	−3.2	−28.3	10.1	6.8	−3.3	−32.6
<20,000	11.4	8.2	−3.1	−27.6	11.5	8.4	−3.2	−27.4	10.2	6.9	−3.3	−32.4
20–35,000	11.2	8.1	−3.2	−28.1	11.4	8.2	−3.2	−27.8	10.0	6.8	−3.2	−32.0
35–50,000	11.2	8.0	−3.2	−28.3	11.4	8.2	−3.2	−28.0	10.0	6.8	−3.2	−31.7
50–75,000	11.1	8.0	−3.2	−28.3	11.3	8.2	−3.2	−28.1	10.0	6.8	−3.2	−32.1
>75,000	11.1	7.9	−3.3	−29.3	11.3	8.1	−3.2	−28.7	10.2	6.8	−3.4	−33.5

^aAbsolute change in concentrations (μg/m³)

^bPercentage change in concentrations