Dreame AirPursue PM20 Air Purifier: CADR, Noise, Coverage & Specs
Last updated: Aug 23, 2026
Overview
Dreame AirPursue PM20 smart purifier cleans 7,534 ft² per hour, offering AI tracking, heating, cooling, and real‑time air quality monitoring.
CADR and room size
CADR (smoke): 400 CFM.
What room size is the Dreame AirPursue PM20 suitable for?
Recommended room size based on CADR: about 620 sq ft (CADR × 1.55).
Manufacturer claimed coverage: 7534 sq ft. This claim is higher than 3× CADR, so it is not used for ranking.
Filtration
What filter does it use?
HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp.
Noise
How loud is it?
Minimum reported noise: 60 dB.
Smart features
Does it have Wi-Fi?
No published Wi-Fi or app control in our sources.
AI tracking, Heating (77-104F), Cooling function, Real-time air quality monitoring
Specifications
- CADR (smoke)
- 400 CFM
- Recommended room size
- 620 sq ft
- Manufacturer claimed coverage
- 7534 sq ft
- Noise
- 60 dB
- Filter type
- HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp
- Power
- 2000
- Dimensions
- 14.9 x 14.9 x 33.4 in
- Wi-Fi / app
- No
Comparisons
Methodology
Specifications are compiled from manufacturer documentation, product listings and other cited sources. See methodology.