What is the fan noise level? Clairy Support May 10, 2018 15:02 Follow The Clairy fan is silent and it is about 20 decibel level noise which is similar to human breath. Related articles Do I need a plug adapter once I get my Clairy? What toxins and pollutants does Clairy eliminate? What is the voltage of Clairy? How can I reset my Clairy? Is Clairy really effective? Comments 0 comments Article is closed for comments.