Abstract
Indoor and outdoor air quality monitoring is essential for the prevention of undesired exposure to air pollutants, especially for sensitive groups. Extensive exposure to particulate and gaseous pollutants can cause temporary and chronic respiratory and other diseases and even lead to premature death. The emergence of low-cost sensors enables the development of affordable devices that measure the concentrations of various pollutants and notify humans for the quality of the air that they breath. Current microcomputer technology and the advances in wireless communications, as well as data systems, provide space for Internet of Things devices that monitor, track, store and analyze pollutant concentration measurements enabling data analytics. In this work, we describe the development and testing of a compact, integrated air quality monitoring device that detects and reports fine particulate matter (PM2.5), nitrogen dioxide (NO2), and ozone (O3) levels as well as temperature (T) and relative humidity (RH).
