Indoor Air Quality Information Centre

Indoor Air Quality Certification Scheme
IAQ New Objectives
IAQ Certificate Award Ceremony 2024
Extension of time for renewing IAQ certificates issued under the IAQ Certification Scheme for Offices and Public Places to cope with the COVID-19 epidemic
Top 10 Participation Rate Award
15 Years Commitment Award
10 Years Commitment Award
Indoor Air Quality Certification Scheme
IAQ New Objectives
IAQ Certificate Award Ceremony 2024
Extension of time for renewing IAQ certificates issued under the IAQ Certification Scheme for Offices and Public Places to cope with the COVID-19 epidemic
Top 10 Participation Rate Award
20 Years Commitment Award
15 Years Commitment Award
10 Years Commitment Award
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New IAQ Objectives

IAQ
Objectives

New IAQ Objectives

IAQ
Objectives

Guides and Forms for Certification

Guides and Forms for Certification

Guides and Forms for Certification

Guides and Forms for Certification

Map of Certified Premises

Map of Certified Premises

Map of Certified Premises

Map of Certified Premises

IAQ Service Provider

IAQ
Service Providers

IAQ Service Provider

IAQ
Service Providers

Knowledge Sharing

To enhance public awareness and understanding of IAQ and useful tips
on IAQ management

To enhance public awareness and understanding of IAQ and useful tips on IAQ management

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Common Indoor
Air Pollutants

Pollutant_1. Carbon dioxide

Carbon
dioxide

Pollutant_2. Carbon monoxide

Carbon
monoxide

Pollutant_3. Respirable suspended particulates

Respirable suspended particulates

Pollutant_4. Nitrogen dioxide

Nitrogen
dioxide

Pollutant_5. Ozone

Ozone

Pollutant_6. Formaldehyde

Formaldehyde

Pollutant_7. Volatile Organic Compounds

Volatile
Organic
Compounds

Pollutant_8. Radon

Radon

Pollutant_9. Biological contaminants

Biological
contaminants

Pollutant_10. Mould

Mould

Pollutant_11. Environmental tobacco smoke

Environmental tobacco smoke

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Leaflets / Booklets

Booklet_1. Improve IAQ in Your Home

Improve IAQ
in Your Home

Booklet_2. Improve IAQ in Your Building

Improve IAQ
in Your Building

Booklet_3. Mitigate Indoor Mould

Mitigate
Indoor Mould

Leaflet_1. IAQ Certification Scheme

IAQ Certification
Scheme

Leaflet_2. IAQ & You

IAQ & You

Leaflet_3. IAQ in Residential Buildings

IAQ in
Residential Buildings

Leaflet_4. IAQ in Office/Public Places

IAQ in
Office/Public Places

Leaflet_5. In-Vehicle Air Quality

In-Vehicle Air Quality

Leaflet_6. Healthy Renovation

Healthy Renovation

Leaflet_7. New Furniture & IAQ

New Furniture & IAQ

Leaflet_8. VOCs & You

VOCs & You

Leaflet_9. Radon & You

Radon & You

Leaflet_10. Second Hand Smoke

Second Hand Smoke

Leaflet_11. Biological Contaminants & You

Biological
Contaminants
& You

Leaflet_12. Indoor Mould & You

Indoor Mould
& You

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FAQ

FAQ1 Causes of indoor air pollution?

Causes of indoor air pollution?

FAQ2 Common indoor air pollutants?

Common indoor air pollutants?

FAQ3 Health effects due to poor IAQ?

Health effects due to poor IAQ?

FAQ4 Sick building syndrome?

Sick building syndrome?

FAQ5 Health effects due to Radon?

Health effects due to Radon?

FAQ6 Effects due to Formaldehyde?

Effects due to Formaldehyde?

FAQ7 Health effects of second hand smoke?

Health effects of second hand smoke?

FAQ8 Health risks of Mould?

Health risks of Mould?

FAQ9 Legionnaires’ disease?

Legionnaires’ disease?

FAQ10 How to improve IAQ in buildings?

How to improve IAQ in buildings?

FAQ11 How to improve IAQ in homes?

How to improve IAQ in homes?

FAQ12 IAQ-friendly carpet, cushion, or adhesive?

IAQ-friendly carpet, cushion, or adhesive?

FAQ13 Furniture to improve IAQ

Furniture to improve IAQ

FAQ14 Low emission office equipment improve IAQ?

Low emission office equipment?

FAQ15 Types of air cleaners

Types of air cleaners

FAQ16 Air cleaner improves IAQ?

Air cleaner improves IAQ?

FAQ17 Plants control indoor air pollution?

Plants control indoor air pollution?

FAQ18 Negative ions improve IAQ?

Negative ions improve IAQ?

FAQ19 How to prevent Mould growth?

How to prevent Mould growth?

FAQ20 How to cleanup Mould?

How to cleanup Mould?

FAQ21 IAQ Objectives?

IAQ Objectives?

FAQ22 Purpose of Guidance Notes of IAQ Scheme?

Purpose of Guidance Notes of IAQ Scheme?

FAQ23 IAQ Cert Scheme”?

IAQ Cert Scheme”?

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IAQ for Kids

IAQ for Kids
iaq-kid-1
IAQ for Kids
IAQ 兒童版
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Latest Developments

What's New

What’s new

What's New

What’s New

Over 1 000 premises commended for enhancing indoor air quality in celebration of IAQ Certification Scheme’s 20th anniversary (with photos)

2024.05.08

Extension of time for renewing IAQ certificates to cope with the COVID-19 and the corresponding arrangement (UPDATED)

2023.04.28

News supplements of Indoor Air Quality Certificate Awards was widely reported in Oriental Daily News, Headline Daily, Sky Post and The Standard.

2021.02.10

What's New
What's New

What’s New

Over 1 000 premises commended for enhancing indoor air quality in celebration of IAQ Certification Scheme’s 20th anniversary (with photos)

2024.05.08

Extension of time for renewing IAQ certificates to cope with the COVID-19 and the corresponding arrangement (UPDATED)

2023.04.28

News supplements of Indoor Air Quality Certificate Awards was widely reported in Oriental Daily News, Headline Daily, Sky Post and The Standard.

2021.02.10

Events and Activities

Events
and Activities

Events and Activities

Events and Activities

Indoor Air Quality Service Provider Trade Fair

2025.02.14

Indoor Air Quality Management for Catering Industries

2024.12.17

Indoor Air Quality Management for Healthcare, Religious, and Social Welfare Facilities

2024.10.24

Events and Activities
Events and Activities

Events and Activities

Indoor Air Quality Service Provider Trade Fair

2025.02.14

Indoor Air Quality Management for Catering Industries

2024.12.17

Indoor Air Quality Management for Healthcare, Religious, and Social Welfare Facilities

2024.10.24