In a move that followed the government's lifting of an evacuation advisory for the areas last month, students will also be urged to wear long-sleeved shirts and long pants as well as masks during physical education classes on the schools' playgrounds to minimize exposure to radiation.
The city of Minamisoma closed schools located between 20 to 30 km from the Fukushima Daiichi power plant after the advisory was issued on April 22 and offered classes to their students at schools outside the affected zone.
The five schools to be reopened have been decontaminated and the amount of radiation observed there is now about 0.1 microsievert on average per hour at one meter above ground.
The government is aiming to hold annual radiation exposure of children below 1.0 millisievert as soon as possible. In the case of Minamisoma, exposure from two hours of outdoor activities will amount to about 0.3 millisievert a year, the officials said. Read More