Currently, public health is critical issue throughout the world. Especially people are
concerning about indoor air quality like home and subway system. Old lines of subway …

The seoul metropolitan subway has installed 8 lines and about 500 stations to transport 5
million passengers everyday. The underground air pollution level in the subway stations is …

The subways of big city, which many people take everyday, is needed to keep clean
environment to maintain the health of the citizen. The purpose of our research is to construct …

The PM10 concentrations in the underground should be monitored for the health of
commuters on the subway system. Seoul Metro and Seoul Metropolitan Rapid Transit …

The seoul metropolitan subway has installed 8 lines and about 500 stations to transport 5
million passengers everyday. The underground air pollution level in the subway stations is …

Nowadays, air quality problems are getting more serious. Without having a good outdoor air
quality, indoor air quality also could be a serious problem. The Seoul Metro of Korea always …

It is necessary to set up a more efficient subway intelligent monitoring system under the
framework of ITS. There are many models to set up a new intelligent subway monitoring …

This study developed an environment monitoring system in order to construct a data base for
understanding the actual conditions and improving problems about the air quality of subway …

Many passengers complain about the air quality of subway stations, mostly due to the dust.
Usually, this dust is usually originated from tunnels, passengers, or outdoor air. As for now …

In crowded subway stations indoor air quality (IAQ) is a key factor for ensuring the safety,
health and comfort of passengers. In this study, a framework for web-based information …