Why offices get dusty so quickly
Home offices and cubicles collect more dust than you might expect. Paper sheds fine fibres. Fabric chairs, partitions, curtains and rugs shed and trap them. Computers draw air through their vents and pull dust in with it. And static on screens and plastic makes dust cling. Add a room that is not cleaned as often as a kitchen, and dust builds up quietly.
Habit 1: Dust top to bottom, with a damp microfibre cloth
Start with the highest surfaces, such as shelves, the top of the monitor and lamps, and work down to the desk and finally the floor. Dust falls as you go, so the floor should always be last.
- Use microfibre, lightly dampened. Its fine fibres trap dust instead of pushing it around, and a slightly damp cloth holds on to it even better. Fold it into quarters and turn to a clean side often.
- Skip the feather duster. Dry dusters mostly flick dust into the air, where it lands again later.
- Do not forget the hidden spots: the back edge of the desk, the monitor stand, cables, the top of the computer case, picture frames and the window sill.
Habit 2: Vacuum the right way
- Vacuum after you dust, not before. Then you pick up what fell.
- Get under and behind the desk. Dust gathers where cables run and where the chair does not reach.
- Use a vacuum with a good filter. A sealed vacuum with a HEPA filter keeps fine dust inside the machine instead of blowing it back out of the exhaust. A full bag or clogged filter does the opposite, so empty and clean it regularly. Our guide to cleaning a vacuum cleaner shows how.
- Use the brush attachment on fabric. Office chairs, fabric partitions and curtains hold a surprising amount of dust.
Habit 3: Cut dust off at the source
- Use a doormat. A lot of household dust starts as dirt carried in on shoes. A mat at the entrance, and shoes off at the door at home, makes a real difference.
- Change the furnace or HVAC filter. At home, follow your furnace maker's schedule and filter recommendation. A clogged filter lets more dust circulate.
- Keep paper under control. Paper piles shed fibres and collect dust. File, scan or recycle them.
- Wash fabric items. Cushions, throws and curtains in the office hold dust. Wash them on the care-label setting from time to time.
- Mind the humidity. Very dry air makes static worse, so dust clings to screens and plastics. Very damp air brings its own problems, such as mould. A comfortable middle range is best.
Habit 4: Keep surfaces and cables clear
Every object on a desk is another surface for dust to land on and another thing to lift when you clean. Fewer items means faster dusting, so you will actually do it.
- Clear the desk at the end of the day. Our 3-minute desk reset is a good routine.
- Tidy the cables. A tangle of cables on the floor is a dust trap that nobody wants to clean around. Clips, a cable tray or a sleeve make it a quick wipe instead.
- Close storage. Drawers and closed boxes stay dust free. Open shelves do not.
Dusting electronics safely
- Turn devices off and unplug them before cleaning vents or the inside of a case.
- Screens: wipe gently with a dry microfibre cloth. If you need moisture, use a cloth that is barely dampened with water. Avoid household glass cleaners and paper towels, which can damage some screen coatings.
- Vents and keyboards: short bursts of compressed air work well. Hold the can upright, keep it a few centimetres away and do not tip it, because it can spray cold liquid. Do it in a well-ventilated room, ideally pointing the dust away from you and toward somewhere you will vacuum next.
- Check the manufacturer's guidance before opening a computer case or using any cleaning product on a device.
Use one cleaning product at a time. Never mix bleach with vinegar or ammonia, because the combinations release toxic gases. Test any product on a hidden spot first, especially on wood, veneer or fabric. And do not use vinegar on natural stone such as a marble or granite desk or window sill, because the acid etches it.
Common mistakes
- Dry dusting. It moves dust into the air instead of removing it.
- Vacuuming first, dusting second. You end up with dust on a floor you have just cleaned.
- Spraying polish or cleaner straight onto electronics. Spray onto the cloth instead, and only use products the device maker allows.
- Using a dirty cloth. Once a cloth is grey, it is spreading dust. Wash microfibre without fabric softener, which clogs the fibres.
- Ignoring the floor under the desk. It is where most office dust ends up.
What professionals use, and why
Professional cleaners generally dust high to low and dry to wet, so nothing they clean gets re-soiled by the next step. They prefer microfibre because it captures fine particles rather than moving them, and vacuums with good filtration because a vacuum that leaks fine dust from its exhaust undoes the work. In offices, they also pay attention to high dusting, the tops of partitions, vents, light fixtures and ledges, which is where dust quietly builds up between cleans. Our guide to indoor environmental quality explains how dust, ventilation and cleaning fit together in a building.
If you work in a cubicle
You cannot change the building's ventilation, but you can still keep your own space clear.
- Fabric partitions hold a lot of dust. A lint roller or a vacuum brush attachment works well on them.
- Keep a microfibre cloth in your drawer for a quick wipe of the screen and desk.
- Take home fabric items such as cushions or cardigans to wash from time to time.
- Tell facilities if a vent above your desk is visibly dusty, or if dust builds up unusually fast. That can be a sign of a filter or ventilation issue only they can fix.
If dust keeps coming back fast
Check the filter first. At home, a clogged or poorly fitting furnace filter is one of the most common reasons dust returns within a day or two.
Look for a nearby source. Renovation work, a new rug or a lot of new fabric can produce extra dust for weeks.
Consider a portable air purifier with a true HEPA filter, sized for the room according to the maker's guidance. It helps capture fine particles that are still floating in the air.
Ask for help if you notice a musty smell, visible mould, or dust that seems to blow out of vents. That calls for a heating or ventilation professional rather than more dusting.
Frequently asked questions
How do you keep a home office dust free?
Four habits do most of the work: dust from top to bottom with a lightly damp microfibre cloth, vacuum afterwards with a well-filtered vacuum, reduce dust at the source with a doormat, a clean furnace filter and fewer paper piles, and keep surfaces and cables clear so cleaning is quick.
Why is my home office so dusty?
Paper, fabric chairs, rugs and curtains shed fine fibres, computers draw dust in through their vents, and static on screens and plastics makes dust cling. Dirt carried in on shoes and a clogged furnace filter add to it.
Is a feather duster good for dusting an office?
Not really. Dry dusters tend to flick dust into the air, where it settles again later. A lightly damp microfibre cloth traps and holds the dust instead.
How do you dust a computer safely?
Turn it off and unplug it first. Wipe the screen with a dry or barely damp microfibre cloth, and use short bursts of compressed air on vents and keyboards with the can held upright. Never spray liquid directly onto a device, and check the manufacturer's guidance.
Should I dust or vacuum first?
Dust first, from the highest surfaces down, then vacuum. That way you pick up everything that fell while you were dusting.
How can I reduce dust in my cubicle?
Wipe your desk and screen with a microfibre cloth, use a lint roller or vacuum brush on fabric partitions, take fabric items home to wash, and tell facilities if a nearby vent is dusty or dust builds up unusually fast.
If it is a whole office you are keeping dust free, you can find out more on our office cleaning page, and get more practical tips like this through our free cleaning tips sign-up.