The Air Quality Index is an indicator of overall air quality that takes into account all of the criteria air pollutants measured within a geographic area.

Fatal and Serious Injury by year on all roads within a jurisdiction per 10,000 residents

Average number of days a county’s adult respondents report that their mental health was not good in past 30 days (age-adjusted - Adjusting for age removes the effect of age as a risk factor on poor mental health days since aging is not preventable)