(This is the best location in your room, too.) The particle counter goes in the farthest corner of the room from the purifier, taking readings continuously, with counts totaled in one-minute increments
The rugs, curtains, furniture (under the cushions and under the furniture), floors

Who This Is For / Who It Is Not For Who This Is For Households where one family member smokes indoors and others dont want smoke exposure Renters who have moved into a property with thirdhand tobacco smell in the walls and soft furnishings Homeowners preparing a property for sale and needing to remediate tobacco odour Households where a neighbours smoke regularly enters through shared walls, vents, or balconies Anyone who has already tried a budget HEPA unit and found the smell returns within weeks Who It Is Not For Households looking for a general-purpose purifier the VOC-focused units on this list are overkill if bushfire smoke or pollen is the primary concern (see our general air purifier rankings) Anyone expecting an air purifier to completely eliminate embedded thirdhand smoke from unpainted walls purifiers reduce airborne VOC concentration, they do not strip VOCs from painted or porous surfaces Households where someone smokes inside a sealed room with no ventilation no purifier substitutes for ventilation in that scenario Anyone considering an ozone generator as a stronger option ozone is a respiratory hazard per Queensland Health Final Verdict The cigarette smoke air purifier market in Australia is cluttered with units that handle the particle fraction adequately and ignore the chemical fraction entirely

The chemical residue left by cigarette smoke can linger in properties for years after smoking has ceased in a space
While sometimes labelled as harsh and trashy, Marb Reds do not believe in labels
Southwest will introduce a first-in-industry safety policy on May 28 requiring customers to keep portable charging devices visible while in use during flight, Southwest Airlines confirmed in a statement to CNET via email