BANGOR DAILY NEWS • June 22, 2020
While it’s unclear how varying degrees of air quality upgrades affect transmission of the virus, one answer to assuring people, experts say, is to provide assurances that the business has done everything it could to make for a safe environment. Options for businesses include adding portable high-efficiency particulate air filtration systems, using more efficient filters or upgrading existing systems. Filters need to be changed regularly and many systems have a light that indicates when that is. Restaurants, which have more particles in the air than typical offices, may need to change filters more often.