The report shows improvements on some issues, including children’s blood lead levels and exposure to tobacco smoke in the home. Key findings include the:
- median concentration of lead in the blood of
children between the ages of 1 and 5 years was 92% lower in 2009-2010
compared to 1976-1980 levels,
- median level of cotinine (a marker of exposure to environmental
tobacco smoke) measured in blood of nonsmoking children ages 3 to 17 years
was 88% lower in 2009-2010 than it was in 1988–1991, and
- percentage of children living in counties where
pollutant concentrations were above the levels of one or more national air
quality standards declined from 75% to 59% from 1999 to 2009.