Healthy Air at Home
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Know the big four
- Ventilation: open‑window habit, especially after cooking/showering.
- Humidity: target 40–55% RH to limit mould/viruses.
- Particles (PM2.5): from cooking, candles, dust; reduce and capture.
- Chemicals/VOCs: favour fragrance‑free, low‑solvent products.
Quick checks
- Steam on windows? Increase ventilation or use extractor longer.
- Musty smell? Inspect cold corners, behind furniture; keep 5–10 cm gap from exterior walls.
- Greasy film in kitchen? Use lids, rear hobs, stronger extractor setting.
Low‑cost moves
- Microfibre + HEPA vacuum weekly.
- Pan lids & back burners reduce PM.
- Fragrance‑free cleaners; avoid aerosol sprays.
- Door‑open purge: 5–10 min cross‑breeze after high‑pollution activities.
Purifiers (small rooms)
- Choose HEPA‑class filter with stated CADR.
- Place near source (bedside, desk).
- Replace filters on schedule; keep a calendar reminder.
Humidity set‑up (winter)
- Use a hygrometer. Add a humidifier only if RH <35% for long periods.
- Clean tanks with vinegar weekly; use distilled water to cut mineral dust.
Plants?
Nice, but rely on ventilation + cleaning for real air quality gains.
Sleep routine
Air room 10 minutes, quiet purifier on low, keep RH ~45%.