Empowering the World to Breathe Cleaner Air | IQAir

US AQI

PM2.5

#MAJOR CITYUS AQI

1

189

2

160

3

Chiang Mai, Thailand

155

4

154

5

Jakarta, Indonesia

153

6

Sofia, Bulgaria

143

7

Kuwait City, Kuwait

133

8

Hangzhou, China

127

9

Bosnia Herzegovina

Sarajevo, Bosnia Herzegovina

119

10

119

SEE FULL RANKING

Most polluted cities

See a ranking of 2019’s most polluted cities.

Most polluted countries

See a ranking of 2019’s 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.

India’s air pollution problem has become a voting issue - finally!

As major political parties vie for position in India’s upcoming election, air pollution has emerged as an important topic in party manifestos, for the first time in the country’s history.

more air quality news

Breathe cleaner air

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Air quality for home

Air quality for home

Learn more about IQAir’s full line of personal, room, and whole-house air purification systems.

Air quality on-the-go

Air quality on-the-go

Check out IQAir’s portable, travel, and wearable air purification products.

Air quality for offices

Air quality for offices

See IQAir’s wide range of air purification technology for offices and shared workspaces.

Air quality for schools

Air quality for schools

Learn how IQAir technology helps schools achieve the cleanest air.

Air quality for hospitals and clinics

Air quality for hospitals and clinics

IQAir offers solutions for the most critical environments.

Air quality for dental practices

Air quality for dental practices

Learn more about high-performance air cleaning for dental practices.

Air quality for doctor’s office

Air quality for doctor’s office

Learn how better air can profoundly impact patients and staff.

Air quality for labs

Air quality for labs

Learn more about effective cleanroom and laboratory contaminant control.

Air quality for hospitality

Air quality for hospitality

Make your customers and guests feel right at home with clean, healthy air.

Air quality for museums

Air quality for museums

Protect precious museum collections from corrosive 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

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