MQ Gas Sensors Status is as follow: Furnace CO Detector was last triggered 2000/11/04 14:32. Furnace Smoke Detector was last triggered 2000/12/30 01:01. Garage Hazardous Gas Detector was last triggered 2000/12/30 01:01. Upstairs Air Quality Detector was last triggered 2000/12/30 01:01. Upstairs CO Detector was last triggered 2000/12/30 01:01. Upstairs Smoke Detector was last triggered 2000/11/04 14:32.