Tokyo Met takes consistent efforts to keep city pollution-free

Tokyo (Japan), Nov 29 (ANI): Tokyo is one of the largest cities in the world. Half a century ago it faced serious air pollution. Rapid economic growth in the 1950s, the sky of Tokyo's many urban areas was hazy because of industrial pollution. In some areas the sun was not even visible. But, currently Tokyo has clear blue sky. The situation in Tokyo has improved thanks to long-term efforts of Tokyo Metropolitan Government. Tokyo Metropolitan Government has established air pollution monitoring system and monitoring stations at various parts in Tokyo. They measure air pollutant level such as sulfur dioxide, nitrogen dioxide, and PM 2.5. Data based on continuous measuring during 24 hours is used for verification and examination of various measures. One of the monitoring stations is installed on Tokyo Tower. It measures air pollution at 3 points at heights of 25m, 125m, and 225m. These measurements are disclosed as map information on the home page of Tokyo Metropolitan Government, and anyon