Table 7. Average annual exposure dose rate change for the US Eastern routes before and after the Ukrainian war (μSv)

Time New York Chicago Washington Boston
September 2021(normal routes) Average 100.67 97.35 95.76 96.68
Deviation 0.80 0.73 0.74 0.78
September 2022(bypass routes) Average 90.16 85.96 88.43 94.04
Deviation 1.42 1.34 1.39 1.47