The World's Best HEPA Air Purifier Systems | IQAir

US AQI

PM2.5

#MAJOR CITYUS AQI

1

Chiang Mai, Thái Lan

188

2

Dhaka, Băng-la-đét

177

3

Kolkata, Ấn Độ

154

4

Thẩm Dương, Trung Hoa

154

5

Hanoi, Việt Nam

152

6

Bắc Kinh, Trung Hoa

152

7

Delhi, Ấn Độ

139

8

Yangon, Miến Điện

132

9

Jakarta, In-đô-nê-xi-a

128

10

Sofia, Bun-ga-ri

125

SEE FULL RANKING

Most polluted cities

Most polluted countries

REPORT: Over 90% of global population breathes dangerously polluted air

REPORT: Over 90% of global population breathes dangerously polluted air

New air quality data for 2019, compiled by IQAir, highlights the impact of climate change and urbanization on global PM2.5 air pollution. Learn more.

World’s Largest Platform for Air Quality Data launched at Tenth World Urban Forum

The United Nations Environment Programme (UNEP), together with UN-Habitat and IQAir, a Swiss air quality technology company, today launched the world’s largest air quality data platform. Learn more.

IQAir supports hospitals treating ongoing coronavirus outbreak

A deadly coronavirus outbreak threatens the lives of millions around the world. IQAir has stepped in to help hospitals treating those infected by the virus. Learn more.

9 ways to improve the air quality in your baby’s room

Indoor air quality can be two to five times worse than it is outside. What can you do to protect your newborn? Here’s how to improve the air your baby breathes.

Atem Wins 2019 TWICE VIP Award

The IQAir Atem 5-in-1 personal air purifier has won the prestigious TWICE VIP award for top consumer electronics out of over 90 entries across 30 categories.

Revealing the Invisible: Tim in Orpington, UK

Tim Webb captures a startling pollution event involving 11 buses and a blazing fire. While luckily no one was directly injured from the incident, his publically deployed AirVisual Pro paints a picture of the environmental effect and short-term impact

more air quality news

Enjoy better air quality anywhere

Specialized solutions that help protect anytime anywhere

Air quality for home

Air quality for home

Learn more about IQAir’s line of home air purification systems, from personal air purifiers and room air purifiers to whole-house HVAC air purifiers.

Air quality on-the-go

Air quality on-the-go

Check out IQAir’s full line of on-the-go air purifiers, including portable, personal, travel, and wearable air purification products for your commute and for business travel.

Air quality for offices

Air quality for offices

See IQAir’s wide range of air purification technology for offices and shared workspaces. Good air quality can help overall productivity, cognitive performance, and satisfaction for employees, employers, and building management.

Air quality for schools

Air quality for schools

Air quality can affect a child’s health, comfort, learning and academic performance. Learn how IQAir technology helps schools achieve the cleanest air possible for the best possible educational outcomes.

Air quality for hospital & clinics

Air quality for hospital & clinics

Clean air is crucial for the safety and survival of both staff and patients. IQAir offers flexible, high-performance air cleaning solutions for the most vital areas and procedures of your practice.

Air quality for dental

Air quality for dental

IQAir offers top-notch solutions for dental practices. Learn more about air quality in dental offices and high-performance air cleaning.

Air quality for doctor’s office

Air quality for doctor’s office

Better air in doctors’ offices can have a profound impact on the comfort and health of patients and staff. IQAir has specific solutions for doctors'offices.

Air quality for labs

Air quality for labs

Effective contaminant control in the laboratory demands exacting air filtration technology. IQAir has solutions for laboratories and cleanrooms.

Air quality for hospitality

Air quality for hospitality

IQAir has the technology and expertise to help you make your customers and guests feel right at home with clean, healthy air.

Air quality museum

Air quality museum

IQAir helps to protect precious objects in museums and collections from the corrosive impact of ambient indoor air pollutants.

Air quality around the world

Real-time air quality report and air pollution forecast

Argentina

Australia

Adelaide Brisbane Darwin Melbourne Perth Sydney

Austria

Graz Linz VIenna

Bahrain

Bangladesh

Belgium

Antwerp Brussels Ghent Liege

Bosnia & Herzegovina

Brazil

Bulgaria

Canada

Calgary Edmonton Hamilton Montreal Ottawa Toronto Vancouver Winnipeg

Chile

Antofagasta Arica Concepcion La Serena Punta Arenas

China

Colombia

Bogota Medellín

Croatia

Cyprus

Larnaca Limassol Nicosia

Czech Republic

Brno Ostrava Plzeñ Prague

Denmark

Ecuador

El Salvador

Estonia

Ethiopia

Finland

Helsinki Oulu Tampere

France

Germany

Hong Kong Sar China

Hungary

Budapest Debrecen Miskolc Szeged

Iceland

India

Bangalore Chennai Hyderabad Kolkata Mumbai New Delhi Pune

Indonesia

Jakarta JakJambi Cityarta

Israel

Ashdod Haifa Jerusalem Petah Tikva Tel Aviv

Italy

Japan

Fukuoka Hiroshima Kawasaki Kitakyushu Kobe Kyoto Nagoya Osaka Saitama Sapporo Sendai Tokyo Yokohama

Kuwait

Lithuania

Kaunas Klaipėda Panevėžys Vilnius Šiauliai

Luxembourg

Macedonia

Mexico

Guadalajara Mexico City Monterrey

Mongolia

Nepal

Netherlands

Amsterdam Breda Eindhoven Groningen Nijmegen Rotterdam The Hague Utrecht

New Zealand

Auckland Christchurch Wellington

Norway

Bergen Fredrikstad Kristiansand Oslo Stavanger Tromsø Trondheim

Peru

Philippines

Poland

Białystok Bielsko-Biala Bydgoszcz Częstochowa Gdańsk Gdynia Katowice Kielce Krakow Lublin Olsztyn Poznan Radom Rzeszów Szczecin Toruń Warsaw Wroclaw Łódź

Portugal

Puerto Rico

Romania

Bucharest Cluj-Napoca Timisoara

Russia

Serbia

Belgrade Niš Novi Sad Subotica

Singapore

Slovakia

Slovenia

South Korea

Busan Daegu Daejeon Gwangju Incheon Seongnam Seoul Suwon Ulsan

Spain

A Coruña Albacete Alicante Barcelona Bilbao Cartagena Gijón Madrid Murcia Oviedo Pamplona San Sebastián Santa Cruz de Tenerife Santander Valencia Valladolid Vigo Vitoria-Gasteiz Zaragoza

Sweden

Malmö Stockholm

Switzerland

Basel Bern Lausanne Zürich

Taiwan

Thailand

Turkey

Adana Ankara Bursa Istanbul Izmir Konya Samsun Trabzon

Uganda

United Kingdom

Aberdeen Belfast Birmingham Blackpool Bristol Cardiff Edinburgh Glasgow Hull Leeds Leicester Liverpool London Manchester Newcastle Nottingham Plymouth Reading Sheffield Stoke Sunderland Swansea Wigan York

United Arab Emirates

Abu Dhabi Al Ain Dubai

United States of America

Vietnam

Hanoi Ho Chi Minh City

Track your air quality anywhere you are

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Link to download AirVisual app on App Store

Link to download AirVisual app on Google Play

Link to download AirVisual app on Android

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