Press Release

December 12, 2008
  • Air & Transportation

Air Quality Status for FY 2007

The state of air quality is constantly monitored throughout Japan at more than 2,000 monitoring stations. The monitoring is conducted by prefectures and ordinance-designated municipal governments in accordance with on the Air Pollution Control Law. As of March 31, 2008, there were 1,561 Ambient Air Quality Monitoring Stations (AAQMSs), which include 9 national stations, and 445 roadside Air Quality Monitoring Stations (RAQMSs), which include 10 national stations.

The monitoring results for FY 2007 are available on the air quality page of the Ministry of the Environment website ( (Note: website is in Japanese only).

For Japanese