Abstract: Air pollution monitoring is though old but very useful concept in day to day life. Air pollution monitoring start from traditional way to the most sophisticated computer has been used to monitor the air quality, however the fresh air is necessary for all human being, for that various technology has been used and some of this technology is really useful in order to provide a real time air quality data. Aim of this paper is to highlight some technology which is used for air pollution monitoring and how effective of these technologies are and identify the important research in this important area.

Keywords: Wireless sensor network, Air quality, pollution, real time monitoring.