90th_percentile_aqi aland awater cbsafp classfp county countyfp countyns csafp days_co days_no2 days_ozone days_pm10 days_pm2.5 days_with_aqi funcstat geoid good_days hazardous_days intptlat intptlon lsad max_aqi median_aqi metdivfp moderate_days mtfcc name namelsad ogc_fid state statefp unhealthy_days unhealthy_for_sensitive_groups_days very_unhealthy_days year