Design and Implementation of Portable Sensory System for Air Pollution Monitoring

Air pollution is becoming an increasingly serious issue, leading to many environmental problems such as the fog-haze weather phenomenon, which can cause great harm to human health. This paper focuses on the design and fabrication of a portable sensory system for air pollution monitoring, which can detect the temperature, humidity and particulate matter (PM). This will be used as a tool to help reduce the harm of air pollution on people. This sensor mainly consists of a microprogrammed control unit, a temperature & humidity sensor DHT11, a dust sensor GP2Y1010AU0F, LCD, keys and, LEDs. Ambient dust concentrations, temperature and humidity values will be displayed on the LCD. The corresponding light alert signals and sound alert signals are sent when the measured values are beyond their safe ranges.