Real-time tested air purifiers ranked by CADR, HEPA filter performance, and value.
Each air purifier was tested in real room conditions ranging from 150 to 600 sq ft. Indoor AQI was elevated above 999 using incense smoke, and timer-based testing recorded the exact minutes required for each model to pull AQI down to safe levels, while also assessing noise, filter longevity, and replacement filter costs.
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