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Smart Air Knowledge Base
  • About
    • Why we started Smart Air
    • Our Mission: What We Do
    • Meet the Smart Air Team
    • Why People Trust Smart Air
  • Learn
    • Knowledge Base
    • Clean Air Blog
    • Workshops
    • Press Release
  • Products
    • Air Purifiers
      • QT3 Portable Air Purifier
      • DIY 1.1 Air Purifier
      • The Sqair Air Purifier
      • SA600 Air Purifier
      • Blast Mini Mk II Air Purifier
      • Blast Mk II Air Purifier
    • HEPA Filters
      • QT3 HEPA Filter
      • Cannon HEPA Filter with Pre-filter
      • DIY HEPA filter
      • Sqair HEPA Filter
      • SA600 HEPA Filter
      • Blast Mini HEPA Filter
      • Blast HEPA Filter
    • Carbon Filters
      • DIY Carbon Filter
      • Sqair Carbon Filter
      • SA600 Carbon Filter
      • Blast Mini Carbon Filter
      • Blast Carbon Filter
    • Air Quality Monitors
      • CO2 Monitor
      • QP Lite Air Quality Monitor
      • QP Pro Air Quality Monitor
      • AirVisual Pro Air Pollution Monitor
  • Impact
    • Smart Air impact
    • We’re a B-Corp!
  • Business
    • Offices & Corporates
    • Schools & Universities
    • Hospitals
Knowledge Base      Smart Air Purifiers      DIY Air Purifier

Table of Contents

Air Quality Information
What Is the Air Quality of Chengdu in 2016?
Did China's Air Quality Becomes Better in 2018?
What Are the World Health Organization (WHO) Annual and Daily Limits for PM2.5 Air Pollution?
Did China’s Air Improve in 2016?
Did Beijing’s Air Get Better in 2018?
Air Quality Monitors
How Can I Check If an Open Window Is Affecting My Air Purifier’s Effectiveness?
Why Can't I View Historic Data on QP Pro If It Isn't Connected to Wifi?
Which Particle Counter Should I Get?
Why The Carbon Filter Has Little Impact on The Indoor tVOCs According to QP Monitor?
Will the Data Measured With the Formaldehyde Tester Be Easily Affected?
Orders & Shipping
How Do I Issue an Invoice?
Which Countries Does Smart Air Have Stores and Local Distributors
Is There a Local Distributor in My Country?
What Should I Do If No Shipping Cost Shows up for My Country When Checking out?
Where Is My Package Now?
Protecting Yourself
How Much Pollution Do We Breathe Every Day?
What Is the Difference Between the PM2.5 and AQI Measurements?
Air Purifiers
Can the Carbon Filter Be Washed?
Does Adding a Carbon Layer Reduce a Purifier's Cleaning Effectiveness?
Can Air Purifiers Filter Out the Coronavirus?
What Kind of HEPA Filter Should I Buy for My DIY Air Purifier?
How to Tell if I am Using Harmful Ionizer Air Purifiers?
Clean Air Movement
What Is the Clean Air Movement?
How to Participate in the Clean Air Movement?
What Are the Recommended Air Changes per Hour for Restaurants?
How Can I Improve the Air Changes per Hour in My Restaurant?
What are the Harms & Disadvantages of Air Pollution?
Masks
Can Flattened HEPA Filters Work as Homemade Masks?
Can I Use a Polypropylene Bag for DIY Face Mask to Fight COVID-19?
What’s the Difference Between N95 and KF94 Masks?
How Many Times Can an N95 Mask Be Used Before It Becomes Ineffective Against COVID-19?
Will the Moisture Cause Fungal Spores to Grow in My Mask, So They Should Be Thrown Out Every 1-2 Days?
Smart Air Purifiers
How is a HEPA Filter's Lifespan Calculated?
Why are the prices on Smart Air's Taobao store different from the International Store?
It Is Normal to Receive a Carbon Filter With Broken Carbon Parts?
How Recommended Room Size Is Calculated for Smart Air's Air Purifiers
Blast & Blast Mini
Can The Blast and Blast Mini be used in my Bedroom?
Will There Be Current Leakage From the Blast and Blast Mini?
What Are the Differences Between Blast and Blast Mini Mk II and Mk I?
Can the Blast and Blast Mini Reduce Pet Fur Allergens?
Do the Blast and Blast Mini Have a Fixed Timing Setting?
DIY Air Purifier
What Filters Can I Use With the DIY?
How Long Is the DIY Strap?
Why There Are Weird Noises Coming From the DIY?
Why Is the Carbon Filter Quieter Than the HEPA Filter?
How Often Should the Filters to Be Replaced in my Air Purifier?
General Questions
How Often Should the Filters to Be Replaced in my Air Purifier?
Why Do My HEPA Filters Smell?
Why Not Use a Higher Grade HEPA Filter?
What's the Charcoal Net Weight in the Carbon Filter of Each Product
How Much Activated Carbon by Weight Is There in Smart Air Purifiers?
Sqair Air Purifier
How Big Is the Sqair's Packaging?
Why Does the Sqair Have Wooden Legs?
How Much Activated Carbon by Weight Is There in Smart Air Purifiers?
Does the Sqair Switch Break Easily?
Will the Wooden Legs Deform in a Moist Environment?

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DIY Air Purifier

  • Why There Are Weird Noises Coming From the DIY?
  • How Often Should the Filters to Be Replaced in my Air Purifier?
  • Is the DIY Really Effective?
  • How Often Does the DIY's HEPA Filter Need to Be Replaced?
  • What Is the Airflow Direction of the DIY?
  • Which Side of the DIY Should the Filter Be Attached To?
  • Does the DIY Wind Direction Affect the Purification Efficiency?
  • Why Doesn't the DIY Have Laboratory Test Data?
  • What Are the Specifications of the DIY?
  • How High Is the DIY's Voltage Level?
  • How High Is the DIY's Power?
  • How Heavy Is the DIY?
  • How Long Is the Power Cord?
  • What Is the Size of the DIY?
  • What Filters Can I Use With the DIY?
  • How Long Is the DIY Strap?
  • Why Is the Carbon Filter Quieter Than the HEPA Filter?
  • What's the Charcoal Net Weight in the Carbon Filter of Each Product
  • How Much Activated Carbon by Weight Is There in Smart Air Purifiers?
  • What's the Airflow of DIY 1.1?
  • What Kind of HEPA Filter Should I Buy for My DIY Air Purifier?
  • How Do You Make HEPA Filters?
  • Can I DIY an Air Purifier Using a Round Standing Fan? Should I Be Concerned About a Square Filter on a Round Fan?
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Smart Air is a social enterprise and certified B Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution.

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