Clean Air Guides is an independent US website about indoor air quality. It publishes research-based buying guides to air purifiers, humidifiers and purifier-humidifier combos, practical how-to and troubleshooting guides, and free calculators for air purifier room size, running cost and dew point.https://cleanairguides.com/https://cleanairguides.com/best-air-purifier-for-pets/https://cleanairguides.com/best-air-purifier-for-pets/Seven current air purifiers for homes with dogs and cats, picked on verified CADR, washable pre-filters for hair, carbon for odor and real filter costs.Tue, 20 Oct 2026 00:00:00 GMThttps://cleanairguides.com/best-humidifier-for-large-room/https://cleanairguides.com/best-humidifier-for-large-room/Six humidifiers for rooms over 500 sq ft, picked from maker specs and manuals, plus when a whole-house unit on your furnace makes more sense.Tue, 20 Oct 2026 00:00:00 GMThttps://cleanairguides.com/hepa-vs-carbon-filter/https://cleanairguides.com/hepa-vs-carbon-filter/HEPA filters trap particles; activated carbon adsorbs gases and odors. Neither does the other's job. Here's what each removes and which you need.Tue, 20 Oct 2026 00:00:00 GMThttps://cleanairguides.com/how-to-clean-a-humidifier/https://cleanairguides.com/how-to-clean-a-humidifier/Empty and dry it daily, descale and disinfect it every third day, and follow your manual. Step-by-step, with brand notes for HoMedics, Crane, Dyson and more.Tue, 20 Oct 2026 00:00:00 GMThttps://cleanairguides.com/how-to-improve-indoor-air-quality/https://cleanairguides.com/how-to-improve-indoor-air-quality/Cut pollution at the source, bring in outdoor air, then filter what's left. Nine EPA-based steps, from humidity and mold to purifiers and radon.Tue, 20 Oct 2026 00:00:00 GMThttps://cleanairguides.com/ideal-indoor-humidity/https://cleanairguides.com/ideal-indoor-humidity/Aim for 30–50% relative humidity, and lower in a cold snap. What the EPA and others say, how to read a hygrometer and when to run a humidifier.Tue, 20 Oct 2026 00:00:00 GMThttps://cleanairguides.com/where-to-put-an-air-purifier/https://cleanairguides.com/where-to-put-an-air-purifier/Put it in the room you use most, with 8 to 18 inches of clearance, away from heat, moisture and curtains, and size it for the space the door opens onto.Tue, 20 Oct 2026 00:00:00 GMThttps://cleanairguides.com/afloia-q10-review/https://cleanairguides.com/afloia-q10-review/The Afloia Q10 paired a small H13 HEPA purifier with a mini dehumidifier. It now appears unavailable. Here are its verified specs and what to buy instead.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/air-purifier-vs-humidifier/https://cleanairguides.com/air-purifier-vs-humidifier/An air purifier removes particles from the air; a humidifier adds moisture. Here's which one helps with allergies, pets, dry air and colds, and how to run both.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/air-scrubber-vs-air-purifier/https://cleanairguides.com/air-scrubber-vs-air-purifier/"Air scrubber" means a job-site HEPA machine or an in-duct HVAC gadget, depending on who is selling it. Here's how both compare with a home air purifier.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/are-humidifiers-safe-for-dogs/https://cleanairguides.com/are-humidifiers-safe-for-dogs/Generally yes, if it's clean, out of reach and free of essential oils. The real risks are hot steam, oils that are toxic to dogs and cats, and dirty water.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-and-humidifier-combos/https://cleanairguides.com/best-air-purifier-and-humidifier-combos/Six 2-in-1 units sold in the US that both filter and humidify, with verified CADR where it exists, real humidifier output and the trade-offs.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-for-baby-room/https://cleanairguides.com/best-air-purifier-for-baby-room/Four quiet, CARB-certified air purifiers for a nursery, with published noise levels, ionizer status, sleep and light settings, and safe-placement tips.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-for-basement/https://cleanairguides.com/best-air-purifier-for-basement/Five basement air purifiers sized for open floor plans, plus what to do first about humidity, mold and radon, which no purifier removes.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-for-mold/https://cleanairguides.com/best-air-purifier-for-mold/An air purifier can catch airborne mold spores and musty odors, but it won't stop mold growing. Five HEPA + carbon picks, and the moisture fixes that come first.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-for-odor-elimination/https://cleanairguides.com/best-air-purifier-for-odor-elimination/Five carbon-filter purifiers for cooking, pet, garbage and smoke smells, plus why a range hood and source control beat any purifier.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-for-smoke/https://cleanairguides.com/best-air-purifier-for-smoke/Six purifiers for tobacco, cannabis, vape and wildfire smoke, chosen by verified smoke CADR and carbon, plus how to size one for a smoke event.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-for-vocs-and-formaldehyde/https://cleanairguides.com/best-air-purifier-for-vocs-and-formaldehyde/Four purifiers with published carbon weights from 3.6 to about 15 lb, and why ventilation and source control still come first for chemical fumes.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-air-purifier-with-washable-filters/https://cleanairguides.com/best-air-purifier-with-washable-filters/Six air purifiers with washable filters or pre-filters, picked from AHAM, ENERGY STAR and maker data, plus why true HEPA is never washable.Tue, 01 Jun 2021 00:00:00 GMThttps://cleanairguides.com/best-bathroom-air-purifier/https://cleanairguides.com/best-bathroom-air-purifier/Why the exhaust fan comes first, what Levoit's manuals say about humid rooms, and three small purifiers for bathrooms and en-suites.Tue, 01 Jun 2021 00:00:00 GMT