A system and method for monitoring one or more environmental conditions at a construction Site. Some embodiments include a system and method for sending a notification to a client device based on a trigger condition. The system may include a computer server including a web server and a database; a Coordinator and Aggregator Gateway (CAG) deployed at the construction site and In communication with the web server and a global position system (GPS) network; and one or more Wireless Sensor Nodes (WSNs) deployed at the construction site and in communication with the CAG, each of the WSNs including one or more sensors configured to measure an environmental condition of the construction site. In some embodiments, one or more of the sensors may be configured to measure one or more of: an ambient temperature of the construction site; a temperature of a wall, a floor, or a ceiling of the construction site; an ambient humidity of the construction site; and a concentration of a gas in the atmosphere of the construction site.