International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 05 | May 2019 www.irjet.net p-ISSN: 2395-0072 © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 7856 IOT BASED AIR POLLUTION MONITORING SYSTEM TO CREATE A SMART ENVIRONMENT K. BlessyEvangelin 1 , M. Thurai Pandian 2 1 PG Student, Department of CSE, Lord Jagannath college of engineering and technology, Tamil nadu, India 2 Associate professor , Department of CSE, Lord Jagannath college of engineering and technology, Tamil nadu, India ---------------------------------------------------------------------***--------------------------------------------------------------------- Abstract - Air quality has been contrarily influenced by modern exercises, which have caused uneven characters in nature. The issue of air contamination has turned into a major worry for some individuals, particularly those living in modern zones. Air contamination levels can be estimated utilizing brilliant sensors. Moreover Internet of Things (IoT) innovation can be coordinated to remotely identify contamination with no human association. The information accumulated by such a framework can be transmitted in a split second to an electronic application to encourage checking ongoing information and permit impending danger the board. In this paper a whole web of things framework that screens Air contamination by gathering ongoing information in explicit areas. This information in broke down and estimated against a foreordained limit. The gathered information is sent to the concerned authority association to tell them in the event of any infringement with the goal that they can take the fundamental measures. Moreover if the estimation of the deliberate poisons surpasses the edge , a caution framework is activated taking a few activities to caution the encompassing individuals. Key Words: Air pollution monitoring system; Android; sensors; GPS; Cloud; Distributed systems; Air-pollution safe route; Air quality index. 1. INTRODUCTION Remote sensor systems (WSNs) are dynamically influencing regular living. A WSN is a system comprising of sensor hubs. Every sensor can distinguish certain variables like pneumatic force, air organization, and water quality. WSNs are utilized in a wide assortment of settings, including individual space, mechanical floors, horticulture, home utility checking frameworks, plant mechanization, car, and numerous different fields. WSNs are identified with the idea of IoT. In IoT, gadgets are interconnected to transmit information by means of conveyed sensor systems. IOT has valuable applications in the therapeutic field. Gadgets, for example, cell phones and detecting frameworks can be related to make a foundation that gives access to social insurance data and administrations. This approach is referred to as “Mobile-Health” [1]. Air is the most indispensable constituent of condition for the sustenance of life on earth. In unadulterated air, the extent of various constituents like oxygen, nitrogen and different gases is fixed and distinct. It might be noticed that air can't be unadulterated in light of the fact that a few gases like sulfur dioxide, carbon monoxide, oxides of nitrogen, outflow from volcanoes and bogs, salt shower, dusts from plants and so forth., are persistently added to the air by a characteristic procedures. Thus, air is polluted when its natural composition is disturbed either by natural or man-made sources. The issue of air contamination has turned into a major worry for some individuals, particularly those living modern regions. A huge number of individuals overall bite the dust as a result of air contamination. Huge numbers of these passings happen in enormous urban areas, air exhaust from vehicles, control plants fills the air with perilous particles. Therefore, the dimension of unsafe gases is risky to people, creatures, and plants. Indoor air contamination and urban air quality are viewed as two of the world's most noticeably awful dangerous contamination issues. 1.1 Classification of Air Pollutants Air pollutants are of two types  Primary air pollutants  Secondary air pollutants 1.1.1 Primary Air Pollutants These are the unsafe synthetic which straightforwardly goes into air because of characteristic occasions or human exercises. For instance, when carbon containing substance is singed, it will discharge CO2 and/or CO to climate. These gases straightforwardly going into environment impact the biosphere or named as essential toxins. It is seen that there are for the most part five essential poisons which contribute together over 90% of worldwide air contamination. These are in particular carbon monoxide (CO), Nitrogen oxides (NO2), Oxides of sulfur (SO2), Hydrocarbons (HC) and particulates. Transportation represents more than 46 % of the complete poisons created every year and henceforth stay as the guideline wellspring of air contamination. Carbon monoxide is the significant individual air contamination with a tonnage coordinating that of all other toxin together.