Air quality by country

Air quality in Vietnam today

Updated Sun, 25 Oct 2026 19:43:35 GMT

Moderate: average US AQI 84 across 68 cities Worst now: Hanoi (118); cleanest: Phú Quốc, An Giang (37).

Live US AQI, PM2.5 and ozone for cities across Vietnam, ranked from most polluted to cleanest.

Average US AQI: 84 Moderate
Most polluted now: Hanoi AQI 118
Cleanest now: Phú Quốc, An Giang AQI 37
Cities above 100: 25 unhealthy for sensitive groups or worse

Air quality in Vietnam today

Right now the modelled air quality in Vietnam averages a US AQI of 84 (Moderate) across the 68 cities we track. By category: 2 Good, 41 Moderate, 25 Unhealthy for Sensitive Groups (of 68).

That is 19 points worse than the worldwide average of 65 across 3,909 cities.

Hanoi has the worst air at 118 with PM2.5 at 43 µg/m³, while Phú Quốc, An Giang is cleanest at 37. 25 cities are above 100, where sensitive groups should limit time outdoors.

Vietnam cities by AQI (most polluted first)

City	Region	US AQI	Category	PM2.5 µg/m³	Ozone µg/m³
Hanoi	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Bắc Giang	Bac Ninh	118	Unhealthy for Sensitive Groups	43	70
Đống Đa	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Long Bien	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Bắc Từ Liêm	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Gia Lâm	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Hai Bà Trưng	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Thanh Xuân	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Cầu Giấy	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Bắc Ninh	Bac Ninh	118	Unhealthy for Sensitive Groups	43	70
Ba Dinh	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Việt Yên	Bac Ninh	118	Unhealthy for Sensitive Groups	43	70
Thuận Thanh	Bac Ninh	118	Unhealthy for Sensitive Groups	43	70
Tây Hồ	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Tương Mai	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Hoàn Kiếm	Hanoi	118	Unhealthy for Sensitive Groups	43	70
Mỹ Hào	Hưng Yên Province	118	Unhealthy for Sensitive Groups	43	70
Thái Nguyên	Thai Nguyen	113	Unhealthy for Sensitive Groups	55.5	63
Thành phố Sông Công	Thai Nguyen	113	Unhealthy for Sensitive Groups	55.5	63
Nam Định	Ninh Binh	105	Unhealthy for Sensitive Groups	44.7	66
Việt Trì	Phu Tho	105	Unhealthy for Sensitive Groups	57.2	58
Hoa Lư	Ninh Binh	105	Unhealthy for Sensitive Groups	44.7	66
Sơn Tây	Hanoi	105	Unhealthy for Sensitive Groups	57.2	58
Vĩnh Yên	Phu Tho	105	Unhealthy for Sensitive Groups	57.2	58
Hạ Long	Quảng Ninh	103	Unhealthy for Sensitive Groups	18	136
Haiphong	Hai Phong	87	Moderate	14.3	107
Kiến An	Hai Phong	87	Moderate	14.3	107
Ba Vì	Hanoi	85	Moderate	49.8	54
Thanh Hóa	Thanh Hóa Province	78	Moderate	34.2	53
Huế	Thừa Thiên Huế Province	77	Moderate	24.5	37
Long Xuyên	An Giang	77	Moderate	34.8	34
Cần Thơ	Can Tho City	75	Moderate	31.2	33
Bình Thủy	Can Tho City	75	Moderate	31.2	33
Vinh	Nghệ An Province	73	Moderate	21.1	71
Quảng Ngãi	Quang Ngai	73	Moderate	33.8	63
Yên Vinh	Nghệ An Province	73	Moderate	21.1	71
Nghi Sơn	Thanh Hóa Province	71	Moderate	12.9	119
Hoàng Mai	Nghệ An Province	71	Moderate	12.9	119
Ho Chi Minh City	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Biên Hòa	Dong Nai	68	Moderate	15.1	46
Thuận An	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Thủ Đức	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Dĩ An	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Quận Mười	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Thủ Dầu Một	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Quận Mười Một	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Quận Sáu	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Quận Ba	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Quận Bốn	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Quận Năm	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Gò Vấp	Ho Chi Minh City (HCMC)	68	Moderate	15.1	46
Rạch Giá	An Giang	67	Moderate	27.8	28
Da Nang	Da Nang City	66	Moderate	16.4	84
Điện Bàn	Da Nang City	66	Moderate	16.4	84
Thanh Khê	Da Nang City	66	Moderate	16.4	84
Hải Châu	Da Nang City	66	Moderate	16.4	84
Hòa Cường	Da Nang City	66	Moderate	16.4	84
Qui Nhon	Gia Lai	64	Moderate	17.6	72
Mỹ Tho	Dong Thap	64	Moderate	16.7	47
Bến Cát	Ho Chi Minh City (HCMC)	63	Moderate	15.7	51
An Nhơn	Gia Lai	59	Moderate	13.4	63
Nha Trang	Khanh Hoa	57	Moderate	13.8	72
Vũng Tàu	Ho Chi Minh City (HCMC)	56	Moderate	9.9	79
Buôn Ma Thuột	Dak Lak	52	Moderate	10.1	55
Phú Mỹ	Ho Chi Minh City (HCMC)	52	Moderate	9.6	63
La Gi	Lam Dong	51	Moderate	9.3	51
Phu Quoc	An Giang	37	Good	10.6	71
Phú Quốc, An Giang	An Giang	37	Good	10.6	71

What the US AQI numbers mean

US AQI	Category	What it means
0-50	Good	Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
51-100	Moderate	Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
101-150	Unhealthy for Sensitive Groups	People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors.
151-200	Unhealthy	Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed.
201-300	Very Unhealthy	Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors.
301-500	Hazardous	Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500.

Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.

Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).

Air quality in Vietnam today

Air quality in Vietnam today

Vietnam cities by AQI (most polluted first)

What the US AQI numbers mean

More