2023 Clean Air Vs Worst Air Quality City Rankings (AQI score)

The air quality in cities around the world can vary greatly. Some cities have very clean air, while others have some of the worst air quality in the world.
According to the World Health Organization (WHO), the following cities have the cleanest air in 2023, based on their annual average AQI (Air Quality Index) score.
The Air Quality Index (AQI) is an indicator for reporting air quality. It informs how clean or polluted air is in your location.
What is the Air Quality Index (AQI) Score and Interpretation?
- Using the Air Quality Index, a score between 0-50 is deemed as good air quality.
- A score between 51-100 is deemed as good air quality is air quality that is moderate.
- Between 101 and 150 score shows air quality described as Unhealthy for Sensitive groups.
- Air described as unhealthy obtains a score between 151 and 200
- If the Air Quality Index score surpasses 300, it is described as hazardous
Air Quality Index (AQI) Score and Interpretation

Let us take a look at the Cities With The Most Clean Air Vs Worst Air Quality City Rankings (AQI score).
Cities with the most clean air:
1. Helsinki 🇫🇮
2. Reykjavik 🇮🇸
3. Vienna 🇦🇹
4. Stockholm 🇸🇪
5. The Hague 🇳🇱
6. Tallinn 🇪🇪
7. Victoria 🇨🇦
8. Gothenburg 🇸🇪
9. Zurich 🇨🇭
10. Oslo 🇳🇴
11. Copenhagen 🇩🇰
15. Ljubljana 🇸🇮
18. Munich 🇩🇪
20. Amsterdam 🇳🇱
22. Calgary 🇨🇦
28. Ottawa 🇨🇦
29. Vancouver 🇨🇦
31. Porto 🇵🇹
33. Edinburgh 🇬🇧
34. Minneapolis 🇺🇸
44. Brasilia 🇧🇷
48. Singapore 🇸🇬
63. Frankfurt 🇩🇪
70. Madrid 🇪🇸
71. Cape Town 🇿🇦
72. Berlin 🇩🇪
74. Dublin 🇮🇪
80. Tokyo 🇯🇵
82. Antalya 🇹🇷
95. Dubai 🇦🇪
100. Mangalore 🇮🇳
101. San Francisco 🇺🇸
112. Moscow 🇷🇺
126. London 🇬🇧
127. New York 🇺🇸
131. Seoul 🇰🇷
139. Shenzhen 🇨🇳
145. Rome 🇮🇹
155. Paris 🇫🇷
156. Riyadh 🇸🇦
165. Los Angeles 🇺🇸
169. Rio de Janeiro 🇧🇷
172. Bandung 🇮🇩
173. Istanbul 🇹🇷
213. Tehran 🇮🇷
214. Mexico City 🇲🇽
221. Mumbai 🇮🇳
224. Jakarta 🇮🇩
234. Hanoi 🇻🇳
236. Karachi 🇵🇰
238. Delhi 🇮🇳
240. Cairo 🇪🇬
246. Dhaka 🇧🇩
250. Kathmandu 🇳🇵
Worst Air quality city ranking (AQI score):
1. 🇮🇩 Jakarta, Indonesia (127)
2. 🇲🇾 Kuala Lumpur, Malaysia (126)
3. 🇲🇾 Kuching, Malaysia (120)
4. 🇶🇦 Doha, Qatar (117)
5. 🇻🇳 Hanoi, Vietnam (113)
6. 🇵🇪 Lima, Peru (103)
7. 🇵🇰 Lahore, Pakistan (99)
8. 🇦🇪 Dubai, United Arab Emirates (93)
9. 🇰🇼 Kuwait City, Kuwait (92)
10. 🇵🇰 Karachi, Pakistan (86)
11. 🇺🇬 Kampala, Uganda (84)
12. 🇧🇩 Dhaka, Bangladesh (75)
13. 🇺🇸 Los Angeles, USA (74)
14. 🇬🇭 Accra, Ghana (72)
15. 🇿🇦 Johannesburg, South Africa (70)
16. 🇦🇺 Sydney, Australia (70)
17. 🇨🇱 Santiago, Chile (68)
18. 🇹🇷 Istanbul, Turkey (68)
19. 🇳🇵 Kathmandu, Nepal (67)
20. 🇸🇬 Singapore, Singapore (66)
21. 🇲🇽 Mexico City, Mexico (66)
22. 🇮🇱 Jerusalem, Israel (65)
23. 🇨🇳 Chengdu, China (64)
24. 🇰🇷 Busan, South Korea (63)
25. 🇷🇺 Krasnoyarsk, Russia (61)
26. 🇨🇳 Chongqing, China (61)
27. 🇮🇶 Baghdad, Iraq (59)
28. 🇮🇱 Tel Aviv-Yafo, Israel (59)
29. 🇰🇪 Nairobi, Kenya (59)
30. 🇰🇬 Bishkek, Kyrgyzstan (59)
31. 🇸🇰 Bratislava, Slovakia (57)
32. 🇰🇿 Astana, Kazakhstan (57)
33. 🇨🇦 Toronto, Canada (57)
34. 🇸🇦 Riyadh, Saudi Arabia (55)
35. 🇮🇳 Kolkata, India (55)
36. 🇲🇰 Skopje, North Macedonia (55)
37. 🇺🇿 Tashkent, Uzbekistan (52)
38. 🇨🇳 Guangzhou, China (50)
39. 🇨🇳 Wuhan, China (49)
40. 🇲🇳 Ulaanbaatar, Mongolia (46)
41. 🇲🇲 Yangon, Myanmar (45)
42. 🇨🇳 Hangzhou, China (45)
43. 🇨🇳 Shenzhen, China (45)
44. 🇹🇼 Kaohsiung, Taiwan (45)
45. 🇮🇳 Delhi, India (45)
46. 🇺🇸 Houston, USA (45)
47. 🇫🇷 Nice, France (44)
48. 🇺🇸 Washington, D.C., USA (44)
49. 🇺🇸 New York City, USA (44)
50. 🇩🇿 Algiers, Algeria (41)
51. 🇻🇳 Ho Chi Minh City, Vietnam (41)
READ: The 10 Most Beautiful First Ladies in the World
The air quality in cities around the world can vary greatly. Some cities have very clean air, while others have some of the worst air quality in the world. The factors that contribute to air quality include location, industrial activity, traffic congestion, and burning of biomass fuels.
It is important to be aware of the air quality in your city, especially if you have respiratory problems. You can check the air quality index (AQI) for your city online or through a mobile app. If the AQI is high, take steps to protect yourself, such as staying indoors and avoiding strenuous activity.

6 Dead in Fatal Fuel Tanker Explosion on Accra-Nsawam Highway
Terrorist Attack Ghanaian Tomato Traders in Burkina Faso
CAGD Salary Suspension 2026: Deadlines and Actions for Affected Staff
A Plus Defends Paternity Fraud Bill: “Stand Up for the Brotherhood”
Ghana to Criminalize Paternity Fraud as ‘A Plus’ Proposes Mandatory DNA Testing Bill
Everything You Need to Know About Fugu, Batakari, and Northern Smock Types
How to Install the WAEC DigiCert App: Step-by-Step Guide and Public Reaction
How to Recover Your Lost WAEC Index Number Using DigiCert App
WAEC Launches Digital Certificate (DigiCert) Services in Ghana and West Africa
GES to Host Meet the Subject Teacher’ Conference for 2026 BECE Prep