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Table 1 Correlation between county level HB estimates of PM2.5and AQS-based PM2.5concentrations

From: Statistical air quality predictions for public health surveillance: evaluation and generation of county level metrics of PM2.5for the environmental public health tracking network

Geo-imputation approach Grid resolution Correlation coefficient
   Pearson(r) Kendall Tau-B(τ)
Population-weighted county centroid containment 36-km 0.94 0.83
12-km 0.86 0.69
Grid cell centroid containment 36-km 0.92 0.78
12-km 0.84 0.67
Geometric intersection 36-km 0.91 0.76
  12-km 0.84 0.66