Editorials Mar 12, 2014

Reducing PM2.5 pollutants

Recent spikes in the concentration of so-called PM2.5 air pollutants over wide areas of Japan once again raise alarms over the potential health risks from the small particles.

Study links yellow dust to more people going to emergency rooms

National Mar 12, 2014

Study links yellow dust to more people going to emergency rooms

A study released Wednesday by a team of Japanese researchers found emergency room admissions increased when levels of yellow dust originating in China were high. The team, including Dr. Kayo Ueda, a researcher with the National Institute for Environmental Studies, found the rise could be ...

Tokyo air pollutant traced to Kyushu volcano, China link discounted

National Nov 14, 2013

Tokyo air pollutant traced to Kyushu volcano, China link discounted

Volcanic gas carrying sulfur dioxide released from Mount Sakurajima in Kagoshima Prefecture is partly responsible for spikes in the level of the air pollutant PM2.5 in the Kanto and Tokai regions, according to the government's Meteorological Research Institute. The institute ruled out pollutants from China ...

National May 7, 2013

Japan, S. Korea, China to share air pollutant data

Japan, China and South Korea have agreed to share information on cross-border pollution, including on PM2.5 — hazardous particulate matter measuring below 2.5 microns — through a trilateral working-level panel. In a joint statement adopted after two days of talks wrapped up Monday in Kitakyushu, ...

Yellow sand, Chinese pollutants wreak havoc

National Mar 10, 2013

Yellow sand, Chinese pollutants wreak havoc

Yellow sand from China reduced visibility in many parts of the nation Saturday and will continue to drift over the archipelago through Sunday afternoon, the Meteorological Agency said. Visibility was reduced to 5 km in Matsue, Shimane Prefecture, and in the city of Saga in ...

National Mar 9, 2013

Fukuoka gears up for China's smog cloud

The average daily amount of the toxic air pollutant PM2.5 was forecast to reach 42 micrograms per cubic meter in the city of Fukuoka on Friday, topping the national environmental standard of 35 micrograms, city officials said. PM2.5, or hazardous particulate matter measuring below 2.5 ...

National Feb 24, 2013

Fukuoka's PM2.5 levels off chart as China's toxic smog smothers city

Toxic smog that is spreading to Japan from China almost certainly exceeded the central government's maximum limit in Fukuoka on Saturday, local officials said. The Fukuoka Municipal Government reported Saturday morning that the average amount of PM2.5 particulates — an air pollutant found in the ...