Can a bug flying into a smoke detector set off a fire alarm?

Pretty much all smoke detectors are set off by particals be it smoke, dust or what ever. Most people never clean their detectors so even though the detectors have screens to keep the bugs out, a bug can stir up the dust built up on the detector which has no problem going through the screens. read more

High humidity in the air can set off smoke alarms. The density of the moisture particles in the air trigger the alarm. The device has no way of distinguishing between light smoke particles and heavy moisture content. Insects. Small insects can crawl into the smoke detector itself and set off the alarm. read more