CADR (Clean Air Delivery Rate) measures how quickly an air purifier can remove airborne particles from indoor air. It indicates the volume of clean air an air purifier delivers every minute or hour. A higher CADR generally means the purifier can clean a room faster. CADR is one of the most widely recognized performance indicators when comparing air purifiers.

What do the Airdog air purifier's CO2 numbers mean?

In the upgraded Airdog series air purifiers (D series), a new carbon dioxide value display has been added, showing the current carbon dioxide content in real time. To prevent excessive carbon dioxide levels.

What do the air quality (AQI) numbers mean?

Airdog air purifiers feature built-in sensors and displays (AQI) that indicate current particulate and VOC levels.

How often should I clean the Airdog air purifier?

Cleaning frequency depends on usage and air conditions, but many users clean the plates every 1–6 months. Regular cleaning maintains performance and sensor accuracy.

How effective is Airdog in improving air quality?

Many users report noticeable reductions in allergy symptoms, odors, and dust levels after using Airdog units like the X5 or X8 — including improvements in sleep and respiratory comfort.

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FAQ

What Is CADR?

CADR (Clean Air Delivery Rate) measures how quickly an air purifier can remove airborne particles from indoor air.
It indicates the volume of clean air an air purifier delivers every minute or hour. A higher CADR generally means the purifier can clean a room faster.
CADR is one of the most widely recognized performance indicators when comparing air purifiers.
What do the Airdog air purifier's CO2 numbers mean?

In the upgraded Airdog series air purifiers (D series), a new carbon dioxide value display has been added, showing the current carbon dioxide content in real time. To prevent excessive carbon dioxide levels.
What do the air quality (AQI) numbers mean?

Airdog air purifiers feature built-in sensors and displays (AQI) that indicate current particulate and VOC levels.
How often should I clean the Airdog air purifier?

Cleaning frequency depends on usage and air conditions, but many users clean the plates every 1–6 months. Regular cleaning maintains performance and sensor accuracy.
How effective is Airdog in improving air quality?

Many users report noticeable reductions in allergy symptoms, odors, and dust levels after using Airdog units like the X5 or X8 — including improvements in sleep and respiratory comfort.

Download

Name	Introduction	Size	Downloads	Update	Category	Download
Airdog VS HEPA: Comparison of purification efficiency in heavy smog conditions	Airdog and HEPA Air Purifier: Comparison of Performance in Dealing with Heavy Smoke Pollution	284KB	431	2026-08-11	Products Test Reports/Certifications	Download
Airdog VS HEPA: Comparison of purification efficiency in heavy smog conditions Airdog and HEPA Air Purifier: Comparison of Performance in Dealing with Heavy Smoke Pollution 284KB 431 2026-08-11 Products Test Reports/Certifications
Airdog X1 User Manual.pdf	Airdog X1/X1D User Manual	5.35MB	227	2026-07-31	Products User Manual	Download
Airdog X1 User Manual.pdf Airdog X1/X1D User Manual 5.35MB 227 2026-07-31 Products User Manual
SF3pro User Manual 2026.pdf	Airdog smart fan SF3 user manual	5.78MB	335	2026-07-22	Products User Manual	Download
SF3pro User Manual 2026.pdf Airdog smart fan SF3 user manual 5.78MB 335 2026-07-22 Products User Manual
Airdog P50 User Manual 2026.pdf	Airdog P50 Pet Air Purifier User Manual	5.49MB	250	2026-07-17	Products User Manual	Download
Airdog P50 User Manual 2026.pdf Airdog P50 Pet Air Purifier User Manual 5.49MB 250 2026-07-17 Products User Manual
F200 Fan Usermanual2026.pdf	Airdog handheld portable cooling fan, rechargeable and for the summer.	3.54MB	164	2026-07-13	Products User Manual	Download
F200 Fan Usermanual2026.pdf Airdog handheld portable cooling fan, rechargeable and for the summer. 3.54MB 164 2026-07-13 Products User Manual
Airdog X3 User Manual 2026.pdf	Airdog X3 and X3D User Manual and FAQ	3.00MB	185	2026-07-13	Products User Manual	Download
Airdog X3 User Manual 2026.pdf Airdog X3 and X3D User Manual and FAQ 3.00MB 185 2026-07-13 Products User Manual
Airdog X8 User Manual 2026.pdf	X8 developed into various versions according to customer requirements	4.69MB	409	2026-06-26	Products User Manual	Download
Airdog X8 User Manual 2026.pdf X8 developed into various versions according to customer requirements 4.69MB 409 2026-06-26 Products User Manual
Airdog X5 User Manual-2026.pdf	Airdog X5 air purifier user manual	7.58MB	419	2026-06-23	Products User Manual	Download
Airdog X5 User Manual-2026.pdf Airdog X5 air purifier user manual 7.58MB 419 2026-06-23 Products User Manual
Airdog Main Products catalog2026.pdf	2026 Airdog Main Products: air purifiers, humidifiers, dehumidifiers, and fans.	4.60MB	453	2026-06-23	Products Introduction	Download
Airdog Main Products catalog2026.pdf 2026 Airdog Main Products: air purifiers, humidifiers, dehumidifiers, and fans. 4.60MB 453 2026-06-23 Products Introduction
Airdog Product Catalog(IEF)2026.pdf	The Airdog Industrial Electric Filtration module for commercial HVAC systems	4.95MB	355	2026-06-23	Products Introduction	Download
Airdog Product Catalog(IEF)2026.pdf The Airdog Industrial Electric Filtration module for commercial HVAC systems 4.95MB 355 2026-06-23 Products Introduction

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ABOUT AIRDOG

Airdog is a professional air purifier manufacturer with over 20 years of experience, focusing on Air Purifiers & Air Humidifiers & Air Fan OEM/ODM service for the leading brand all over the world. Highly recognized by 30+ international partners and millions of customers worldwide.

FAQ

What Is CADR?