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Air quality

What is fine dust, and why does it matter?

Fine dust consists of particles too small to see that can stay suspended in the air for a long time. It comes from traffic, heating, industry and construction. It passes easily through an ordinary insect screen; a nanofiber window filter holds back a large share of these particles.

What is fine dust, and why does it matter?

Short answer

Some dust in the air is coarse and visible, while some is so fine that it stays in the air for hours. This fine dust is usually called particulate matter.

Where does it come from?

  • Vehicle exhaust, brake and tyre wear
  • Stove, chimney and industrial smoke
  • Construction and demolition work
  • Soil and sand carried by the wind

Why does it matter?

Fine dust gets into the home easily through windows and doors, settles on surfaces and works into fabrics. Health authorities advise sensitive groups to take more care when air pollution is high. Detailed explanation: What are PM2.5 and PM10?

Reducing how much gets in through the window

Window dust filter– lets air through while holding back a large share of fine dust in its nanofiber membrane. How does it work? – the diagram on that page shows the range the filter works in.

Related pages

Open your window, keep dust and pollen outside

Hook-and-loop kit or roll. Free shipping across Türkiye, secure card payment. Fill in the form or message us on WhatsApp for a made-to-measure order.

Last updated: 17 October 2026