The air quality in museums and art galleries are not always at a good level for human health and for the preservation of priceless artifacts and collection.

In fact, Art Galleries and museums are significantly affected by sulphur dioxide, nitrogen dioxide, formaldehyde, organic acids temperature and relative humidity (RH) variations. Pollutants can deterioration rate of paper and other canvases and Fluctuating levels of humidity cause’s materials to corrode, shrink, swell, or warp, hence degrading the value of the art. Monitoring and control of indoor air quality is thus crucial in ensuring the preservation of art collections.