When the pollen count is high, your home should be the place where your immune system gets a break. But for many hay fever sufferers, symptoms are just as bad indoors — because without the right habits, pollen follows you inside and accumulates there.
The good news is that a few consistent changes can dramatically reduce your indoor pollen exposure. You don't need to spend a fortune; the most impactful steps cost nothing at all.
Think about your windows
This is the single biggest lever you have. The temptation to throw the windows open on a warm summer day is understandable, but doing so during peak pollen hours undoes everything else.
As a rule, keep windows closed between 5am and 10am (when pollen is first released) and again between 5pm and 7pm (when it settles back down as the air cools). The middle of the day, when pollen is dispersed higher in the atmosphere, is the safest window to ventilate if you need to.
If it's too warm to sleep with windows closed, a fan that circulates indoor air is a much better option than opening a window. A HEPA filter on a room fan will actively reduce pollen in the air as it runs.
Leave pollen at the door
Pollen clings to clothes, hair, and skin. Every time you come inside after being outdoors during high pollen periods, you bring it with you.
Building a simple arrival routine makes a real difference:
- Remove shoes at the door — shoes carry pollen tracked in from outside
- Change clothes when you get home — particularly if you've been outside during a high-pollen period
- Shower before bed — this is the most impactful one; it removes pollen from hair and skin before it transfers to your pillow
Rethink your cleaning routine
Vacuum cleaners can make things worse if they use standard filters, since they expel fine pollen particles back into the air. A vacuum with a HEPA filter captures pollen effectively rather than redistributing it.
Damp-dusting — using a damp cloth rather than a dry duster — is also much more effective, since dry dusters tend to flick pollen off surfaces and back into the air.
Pollen Level
Low
A well-managed indoor environment can keep effective pollen exposure at 'Low' even when outdoor levels are 'High'. Your home should be your refuge.
Air purifiers: worth it?
A good air purifier in the bedroom is one of the more impactful purchases you can make if you suffer seriously. Look for one with a genuine HEPA H13 filter, which captures 99.95% of particles including pollen. Run it on a low setting continuously rather than on a high setting occasionally — continuous low-level filtration is more effective than periodic bursts.
Avoid purifiers marketed with vague claims about "ionising" the air. Stick to certified mechanical HEPA filtration.
Drying laundry
Avoid drying clothes, bedding, or towels outside during pollen season. Fabric is exceptionally good at trapping pollen, and bringing in a line-dried bedsheet on a high-pollen day is the equivalent of rolling it through a field. A tumble dryer — or drying indoors — keeps your bedding pollen-free.
Track what's outside before you open anything
This is where Achoo comes in. Before you decide whether to open a window, do laundry outside, or garden, check the pollen forecast for your specific area. On low-pollen mornings — which do happen even in peak season — you have a genuine window of opportunity to ventilate your home. On high-pollen evenings, you know to keep everything shut.
Small, consistent decisions based on accurate local data make a cumulative difference over a whole season.