East Asian Region = Low the fallout will be contained by the Himalayan mountains potential sources of major rivers expected to contaminated by radiation increased cancers rates in several regions in mainland china
Very limited impact on korea, taiwan and japan
Oceania = Almost none to zero impact
North America = Zero impact
Europe= minimal fallout impact eastern europe to be expected to be affected the most
Middle east= several middle eastern countries to be severely impacted namely afghanistan and iran.
Africa = minimal impact
Global temperature expected to decrease less than 0.1 degrees winter will be a bit longer than usual but its about it. india and pakistan do not possess high yield hydrogen warheads exceeding 10mts.