Empowering the World to Breathe Cleaner Air | IQAir

US AQI

PM2.5

#MAJOR CITYUS AQI

1

Hangzhou, China

159

2

Kathmandu, Nepal

155

3

Dhaka, Bangladesh

152

4

Shanghai, China

142

5

Hong Kong, Hong Kong SAR

120

6

Riyadh, Saudi Arabia

119

7

117

8

113

9

Mexico City, Mexico

111

10

Ho Chi Minh City, Vietnam

108

SEE FULL RANKING

Most polluted cities

See a ranking of 2020’s most polluted cities.

Most polluted countries

See a ranking of 2020’s most polluted countries.

2020 World Air Quality Report reveals substantial air quality changes

2020 World Air Quality Report reveals substantial air quality changes

See what 2020 air quality data says about the role human behavior plays in air pollution.

IQAir and Greenpeace report 2020 air pollution deaths

A partnership between IQAir and Greenpeace estimated deaths from PM2.5 in 2020. See the results.

Do air purifiers help protect against viruses like COVID-19?

Viruses like COVID-19 pose a threat to daily life. Find out how some air purifiers can help protect you against airborne viruses.

Dangerous air pollution from Mt. Etna and Kilauea

Learn how volcano smoke can impact air quality for thousands of miles – and how you can protect yourself.

Hazardous air quality descends on Kabul and Central Asia

Find out why Kabul, Afghanistan and cities across Central Asia are blanketed in winter smog.

more air quality news

Breathe cleaner air

Protect your air anytime, anywhere

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

Afghanistan

Albania

Argentina

Buenos Aires Cordoba

Australia

Adelaide Brisbane Canberra Melbourne Perth Sydney

Austria

Bahrain

Bangladesh

Chittagong Dhaka Khulna Rajshahi

Belarus

Belgium

Brussels Liège

Brazil

Belem Belo Horizonte Brasilia Curitiba Fortaleza Manaus Recife Rio de Janeiro Salvador Sao Paulo

Brunei

Bandar Seri Begawan

Bulgaria

Cambodia

Canada

Calgary Edmonton Montreal Ottawa Toronto

Chile

China

Colombia

Barranquilla Bogota Medellin

Croatia

Cyprus

Czech Republic

Brno Ostrava Plzen Prague

Denmark

Egypt

Alexandria Cairo Giza

Estonia

Finland

France

Lyon Marseille Nice Paris Toulouse

Germany

Berlin Düsseldorf Frankfurt am Main Hamburg Munich Stuttgart

Ghana

Greece

Athens Thessaloniki

Guatemala

Hungary

Iceland

India

Indonesia

Bandung Bekasi Jakarta Makassar Medan Surabaya

Iran

Ahvaz Isfahan Karaj Kermanshah Mashhad Qom Rasht Shiraz Tabriz Tehran Urmia Zahedan

Ireland

Israel

Italy

Japan

Chiba Hamamatsu Kawasaki Kitakyushu Kobe Kumamoto Kyoto Nagoya Osaka Sakai Sapporo Tokyo Yokohama

Kazakhstan

Almaty Shymkent

Kosovo

Kyrgyzstan

Latvia

Lithuania

Macao SAR

Malaysia

George Town Kuala Lumpur

Mexico

Ciudad Juárez Culiacan Guadalajara Leon Mexico City Monterrey Nezahualcóyotl Tijuana Zapopan

Moldova

Monaco

Mongolia

Morocco

Casablanca Marrakesh Sale Tangier

Netherlands

Amsterdam Rotterdam

Norway

Pakistan

Faisalabad Gujranwala Hyderabad Karachi Lahore Multan Peshawar Rawalpindi

Panama

Philippines

Antipolo Caloocan Cebu City Davao City Manila Quezon City

Poland

Gdansk Krakow Lodz Poznan Warsaw Wroclaw

Portugal

Qatar

Romania

Russia

Chelyabinsk Kazan Krasnodar Krasnoyarsk Moscow Novosibirsk Omsk Perm Saint Petersburg Samara Saratov Ufa Volgograd Voronezh Yekaterinburg

Saudi Arabia

Dammam Jeddah Mecca Medina Riyadh Ta'if

Serbia

Slovakia

Slovenia

South Africa

Cape Town Durban East London Johannesburg Port Elizabeth Pretoria Soshanguve Vereeniging

South Korea

Busan Daegu Daejeon Gwangju Incheon Seoul Suwon Ulsan

Spain

Barcelona Madrid Malaga Valencia

Sweden

Switzerland

Basel Bern Zurich

Taiwan

Kaohsiung Taichung Tainan Taipei Taoyuan

Thailand

Bangkok Chiang Mai Chiang Rai Mae Chan Nakhon Ratchasima Pai Phuket

Turkey

Adana Ankara Antalya Bursa Gaziantep Istanbul Kayseri Konya

Ukraine

Dnipro Kharkiv Kyiv Odessa

United Arab Emirates

Abu Dhabi Dubai

United Kingdom

Birmingham Bradford Bristol Cardiff Edinburgh Glasgow Leeds Liverpool London Manchester Nottingham Sheffield

USA

Uzbekistan

Vietnam

Can Tho Da Nang Haiphong Hanoi

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