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Hanoi Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Hanoi

Last Updated: 2026-07-18 10:51:01 (Local Time)

Live AQI

43AQI (US)

Air Quality is

Good

PM2.5 : 8 µg/m³

pm10 : 46 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

33 °C

Last Updated: 2026-07-18 10:51:01 (Local Time)

Presently, Hanoi ranks for having the good air quality among cities worldwide.

Map

Hanoi

Major Air Pollutants
Hanoi

Particulate Matter(PM₂.₅)

8µg/m³

Particulate Matter(PM₁₀)

46µg/m³

Carbon Monoxide(CO)

150ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

12ppb

Ozone(O₃)

17ppb

AQI Graph

Historical Air Quality Data
Hanoi

24 Hours

AQI (US)

Hanoi

AQI (US)

17-07-2026Time18-07-2026

Time	Hanoi
11:01am	41
11:31am	40
12:01pm	46
12:31pm	48
1:01pm	52
1:31pm	51
2:01pm	51
2:31pm	51
3:01pm	45
3:31pm	34
4:01pm	30
4:31pm	30
5:01pm	26
5:31pm	26
6:01pm	25
6:31pm	26
7:01pm	27
7:31pm	27
8:01pm	30
8:31pm	30
9:01pm	28
9:31pm	27
10:01pm	32
10:31pm	27
11:01pm	32
11:31pm	31
12:01am	38
12:31am	37
1:01am	44
1:31am	44
2:01am	46
2:31am	47
3:01am	51
3:31am	51
4:01am	47
4:31am	48
5:01am	45
5:31am	45
6:01am	42
6:31am	40
7:01am	37
7:31am	38
8:01am	38
8:31am	39
9:01am	41
9:31am	41
10:01am	43
10:31am	42

Min. AQI (US)6:01pm

Max. AQI (US)1:01pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Hanoi, Ha Noi, Vietnam

AQI (US)

Hanoi's Locations
Real-time Air Pollution Level

locations

Status

AQI (US)

PM₂.₅(µg/m³)

PM₁₀(µg/m³)

Temp.(°C)

Humi.(%)

Bac Ninh Chau Khe

Good

Bac Ninh UBND xa Xuan Lam

Good

Bac Ninh gan KCN Yen Phong

Good

Ban Dao Linh Dam

Good

Dam Trau phuong Bach Dang

Good

Ha Noi Cung thieu nhi Ha Noi Hoan Kiem

Good

Ha Noi Hong Ha

Good

Ha Noi Lang Thuong

Good

Ha Noi Mam non Van Ha Dong Anh

Good

Ha Noi Man non Tu Lien quan Tay Ho

Good

Ha Noi Nha van hoa thon Xa Cau ung Hoa

Good

Ha Noi Quang truong Dong Kinh Nghaa Thuc

Good

Ha Noi TT giao luu van hoa pho co Hoan Kiem

Good

Ha Noi Truong THCS Van Yen Ha dong

Good

Ha Noi UBND Xa An Khanh Hoai Duc

Good

Hanoi 36A Pham Van Dong

Good

Hanoi Environmental Protection Department

Good

Hanoi Ho Thanh Cong Management Building

Good

Hanoi Hoan Kiem District Police Headquarters

Good

Hanoi Kim Lien Kindergarten

Good

Hanoi Police Headquarters P. Hang Ma

Good

Hanoi US Embassy

Good

Hanoi Ubnd P Hoang Van Thu Hoang Mai

Good

Hanoi Ubnd Tay Mo

Good

Hung Yen Nha van hoa xa Tan Quang h.Van Lam

Good

KDT Tay ho Tay Bac Tu Liem

Good

Mam non Khuong Trung Thanh Xuan

Good

Nha van hoa thon Sap Mai

Good

Pho Nguyen Duy Trinh

Good

Research Center for Environmental Monitoring and Modeling

Good

Tram y te xa Sai Son Quoc Oai

Good

Tru so cong an xa Tu Hiep Thanh Tri

Good

UBND P Cau Dien Nam Tu Liem

Good

UBND Phuong Dien Bien Ba Dinh

Good

UBND TT Chuc Son Chuong

Good

UBND TT Kim Bai Thanh Oai

Good

Ubnd P Minh Khai

Good

United Nations International School Of Hanoi

Good

Vietnam's Metro Cities
Air Quality Index

Can Tho

Hanoi

Ho Chi Minh City

Thai Nguyen

101

temp.32°C

hum.63%

Air Quality Calendar 2026
Hanoi

2026

AQI (US)

Health Advice For People Living In
Hanoi

0Cigarettes per day

Weekly 0 Cigarettes

Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI (US)

Air PurifierTurn Off

Car FilterAdvisable

N95 MaskAdvisable

Stay IndoorAdvisable

Prevent Health Problems: Understand Your Risks

Hanoi

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2026
Vietnam

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2026

World's Most PollutedCity Rankings (2025)

World's Most PollutedCountry Rankings(2025)

RankCityAQI Status

Standard Value

Thanh pho Thai Nguyen, Thai Nguyen

Moderate

1xabove Standard

Cao Bang, Cao BaNg

Moderate

1xabove Standard

Lang Son, Lang Son

Moderate

1xabove Standard

Bac Giang, Bac Giang

Moderate

1xabove Standard

Vinh, Nghe An

Moderate

1xequal Standard

Phu Ly, Ha Nam

Moderate

1xbelow Standard

Hai Duong, Hai Duong

Moderate

1xbelow Standard

Bac Ninh, Bac Ninh

Good

1xbelow Standard

Haiphong, HaI Phong

Good

2xbelow Standard

10.

Ha Long, Quang Ninh

Good

3xbelow Standard

Last Updated: 18 Jul 2026, 03:58 AM

AQI City Rankings

Air Quality Solutions For Hanoi
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

Prana Air offers the solutions of air quality monitoring and clean air machine for Hanoi

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Hanoi's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Hanoi

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Hanoi?

The current real-time AQI (US) level in Hanoi is 43 (Good). This was last updated 2026-07-18 10:51:01 (Local Time).

2. When was the best AQI (US) level in Hanoi in the last 24 hours?

The best AQI (US) level was 25 (Good) at 6:01 PM, Jul 17, 2026 (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Hanoi in the last 24 hours?

The worst AQI (US) level was 52 (Moderate) at 1:01 PM, Jul 17, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Hanoi during last 24 hours?

The AQI (US) levels in Hanoi have been fluctuating throughout the last 24 hours. The levels have increased by highest 52 at 1:01 PM, Jul 17, 2026 (Local Time), lowest 25 at 6:01 PM, Jul 17, 2026 (Local Time).

5. What actions are recommended as per the current AQI (US) level in Hanoi?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.