Description
Most people trying to clean up their indoor air do it in the wrong order.
They buy an air purifier and never touch the two things that matter more.
This guide puts the steps back in the right order, so you get real results without wasting money.
Written by a plant biologist and environmental scientist with postgraduate training in air pollution and its health effects, it is built around the clean-air hierarchy: control the sources first, ventilate well second, and filter what is left third.
You’ll learn what PM2.5 is and why it matters, the biggest sources in your own home, the golden rule of ventilation (and when opening a window makes things worse), how to size and place an air purifier properly, and exactly what to do on a bad air day. It comes with a room-by-room guide and a printable home air audit checklist.
Grounded in peer-reviewed research and public health guidance, it ties to the free air quality calculators on the site. Practical, evidence-based, and focused on what genuinely improves the air you breathe.
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