The role of forests is very important in protecting animal habitats, water sources and oxygen sources for humans. Forest fires often occur in the dry season and are very dangerous if not detected early because they can affect the ecosystem around the forest. One of the protected forests in the Malang area is Raden Soerdjo Forest Park. To protect the Raden Soerdjo Forest Park from fires, temperature and air quality monitoring tools are needed as parameters for the tendency for forest fires to occur in the Raden Soerdjo Forest Park. The system designed uses ESP32 as a system processor and several sensors to support fire detection such as fire sensors, CO2 sensors (MQ 135) and DHT11 to determine the temperature and humidity conditions of the area being monitored. Using Node-RED as an IoT (Internet of Thing) device makes it easier for officers to monitor the temperature and air quality of the monitored area and provide early warning in the form of information via telegram if a fire occurs in the monitored area.
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