Question

What is active air ?

Answer 1

Active air sampling typically relies upon devices that draw a fixed volume of air at a specific speed over a specific period time for the assessment of viable airborne microorganisms (Andon B.M. et al 2006) . Active air sampling is faster and recovers more airborne microorganisms than passive techniques. ...

Answer 2

Answer:

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Explanation:

Air purification Air purifiers with active air purification are also known as ionisers. These products release negative ions inside your home or office. The ions stick dust particles in the air to earthed conductors such as walls, ceilings and other surfaces.