A bridge device operable in an air-quality control system is provided. The bridge device is connected to a plurality of sensor devices and includes a radio circuit configured to wirelessly communicate with the plurality of sensor devices over a wireless medium using an air-quality communication protocol; a transceiver configured to communicate with a remote server; a processing circuitry; a memory, the memory containing instructions that, when executed by the processing circuitry, configure the bridge device to: periodically discover the plurality of sensor devices connected to the bridge device; query each of the discovered senor devices to read at least one senor reading provided by each sensor device, the at least one senor reading is of at least an air-quality level in a vicinity of the sensor device; encapsulate the sensor readings from the plurality of sensor devices into a data frame; and send the data frame to the remote server.