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 ...

New Delhi has done much less than Beijing to reduce smog

Asia Pacific Feb 10, 2014

New Delhi has done much less than Beijing to reduce smog

Think twice before taking a deep breath in New Delhi, where worsening air pollution has drawn comparisons with Beijing, the world's poster child for pollution. On bad days in India's congested capital, the air is so murky it slows traffic to a crawl. Conversations are ...

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 ...