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Hanoi Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-30 10:40:55 AM (Local Time)

location image
Live AQI
46
Air Quality is
Good
pm10 :  25 µg/m³
PM2.5 :  9 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level in Hanoi
partly cloudy

26 °C

Partly cloudy
Humidity
Humidity84 %
Wind Speed
Wind Speed5 km/h
UV Index
UV Index4
Last Updated: 2025-05-30 10:40:55 AM (Local Time)
Map

Hanoi

Major Air Pollutants

Hanoi

PM2.5's Icon

Particulate Matter(PM2.5)

9µg/m³

PM10's Icon

Particulate Matter(PM10)

25µg/m³

CO's Icon

Carbon Monoxide(CO)

118ppb

SO2's Icon

Sulfur Dioxide(SO2)

8ppb

NO2's Icon

Nitrogen Dioxide(NO2)

9ppb

O3's Icon

Ozone(O3)

12ppb

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Understanding the AQI: What the Air You Breathe Means for Your Health

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AQI Graph

Historical Air Quality Data

Hanoi

24 Hours
AQI
Hanoi

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Hanoi, Ha Noi, Vietnam

AQI
Year
.
AQI

Annual AQI Trends

2020
74AQI
2021
71AQI
-4%
Fall
2022
57AQI
-20%
Fall
2023
78AQI
37%
Rise
2024
78AQI
0%
No Change
2025
99AQI
27%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
8%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJanuary, 2021136AQI
Least PollutedAugust, 202222AQI

* This data analysis is from year 2020 - 2025

Hanoi's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Bac Ninh Chau Khe
Good
34
6
18
21
59
Bac Ninh gan KCN Yen Phong
Moderate
52
10
16
21
59
Bac Ninh UBND xa Xuan Lam
Good
43
8
37
23
68
Ban Dao Linh Dam
Good
44
8
21
24
72
Dam Trau phuong Bach Dang
Good
46
8
25
21
56
Ha Noi Cung thieu nhi Ha Noi Hoan Kiem
Good
48
9
24
21
62
Ha Noi Hong Ha
Good
47
8
24
21
62
Ha Noi Lang Thuong
Good
47
9
26
22
63
Ha Noi Mam non Van Ha Dong Anh
Good
31
5
15
24
77
Ha Noi Man non Tu Lien quan Tay Ho
Good
49
9
30
21
56
Ha Noi Nha van hoa thon Xa Cau ung Hoa
Good
50
9
30
21
51
Ha Noi Quang truong Dong Kinh Nghaa Thuc
Good
44
8
24
21
62
Ha Noi Truong THCS Van Yen Ha dong
Moderate
52
10
29
21
57
Ha Noi TT giao luu van hoa pho co Hoan Kiem
Good
32
6
16
24
77
Ha Noi UBND Xa An Khanh Hoai Duc
Good
39
7
17
24
81
Hanoi 36A Pham Van Dong
Good
48
9
26
21
62
Hanoi Environmental Protection Department
Good
36
6
33
23
77
Hanoi Ho Thanh Cong Management Building
Good
48
9
24
22
60
Hanoi Hoan Kiem District Police Headquarters
Good
48
9
24
21
58
Hanoi Kim Lien Kindergarten
Good
48
9
26
21
55
Hanoi Police Headquarters P. Hang Ma
Good
48
9
23
21
62
Hanoi Ubnd P Hoang Van Thu Hoang Mai
Moderate
52
10
25
21
59
Hanoi Ubnd Tay Mo
Good
49
9
23
21
66
Hanoi US Embassy
Good
47
9
24
24
78
Hung Yen Nha van hoa xa Tan Quang h.Van Lam
Good
42
8
27
21
60
KDT Tay ho Tay Bac Tu Liem
Moderate
55
11
33
22
60
Mam non Khuong Trung Thanh Xuan
Good
48
9
26
21
59
Nha van hoa thon Sap Mai
Good
48
9
25
21
56
Pho Nguyen Duy Trinh
Good
49
9
23
24
76
Research Center for Environmental Monitoring and Modeling
Good
48
9
26
21
59
Tram y te xa Sai Son Quoc Oai
Moderate
51
9
30
22
74
Tru so cong an xa Tu Hiep Thanh Tri
Good
48
9
24
22
61
UBND P Cau Dien Nam Tu Liem
Good
48
9
23
21
62
Ubnd P Minh Khai
Moderate
52
10
25
21
65
UBND Phuong Dien Bien Ba Dinh
Good
49
9
30
21
60
UBND TT Chuc Son Chuong
Good
43
8
24
23
77
UBND TT Kim Bai Thanh Oai
Good
46
8
28
21
56
United Nations International School Of Hanoi
Moderate
52
10
27
25
76

Vietnam's Metro Cities

Air Quality Index

Can Tho City AQI

Can Tho

46

temp.27°C
hum.84%
Hanoi City AQI

Hanoi

46

temp.26°C
hum.84%
Ho Chi Minh City City AQI

Ho Chi Minh City

44

temp.31°C
hum.71%
Thanh pho Thai Nguyen City AQI

Thanh pho Thai Nguyen

44

temp.28°C
hum.74%

Air Quality Calendar 2025

Hanoi

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
142
2 Jan
179
3 Jan
142
4 Jan
119
5 Jan
122
6 Jan
127
7 Jan
138
8 Jan
137
9 Jan
145
10 Jan
102
11 Jan
111
12 Jan
121
13 Jan
143
14 Jan
148
15 Jan
150
16 Jan
146
17 Jan
154
18 Jan
165
19 Jan
161
20 Jan
178
21 Jan
161
22 Jan
159
23 Jan
139
24 Jan
134
25 Jan
108
26 Jan
74
27 Jan
94
28 Jan
86
29 Jan
121
30 Jan
110
31 Jan
94
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
85
2 Feb
73
3 Feb
59
4 Feb
72
5 Feb
100
6 Feb
106
7 Feb
54
8 Feb
68
9 Feb
89
10 Feb
136
11 Feb
147
12 Feb
163
13 Feb
141
14 Feb
139
15 Feb
145
16 Feb
83
17 Feb
113
18 Feb
73
19 Feb
96
20 Feb
132
21 Feb
113
22 Feb
132
23 Feb
71
24 Feb
79
25 Feb
92
26 Feb
83
27 Feb
138
28 Feb
105
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
111
2 Mar
87
3 Mar
90
4 Mar
90
5 Mar
94
6 Mar
69
7 Mar
75
8 Mar
96
9 Mar
130
10 Mar
140
11 Mar
123
12 Mar
99
13 Mar
86
14 Mar
91
15 Mar
83
16 Mar
64
17 Mar
84
18 Mar
82
19 Mar
81
20 Mar
92
21 Mar
121
22 Mar
118
23 Mar
123
24 Mar
131
25 Mar
128
26 Mar
104
27 Mar
103
28 Mar
103
29 Mar
79
30 Mar
61
31 Mar
69
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
90
2 Apr
119
3 Apr
104
4 Apr
130
5 Apr
107
6 Apr
122
7 Apr
113
8 Apr
112
9 Apr
94
10 Apr
95
11 Apr
95
12 Apr
101
13 Apr
89
14 Apr
96
15 Apr
102
16 Apr
105
17 Apr
97
18 Apr
101
19 Apr
94
20 Apr
83
21 Apr
82
22 Apr
90
23 Apr
92
24 Apr
83
25 Apr
75
26 Apr
77
27 Apr
65
28 Apr
62
29 Apr
76
30 Apr
71
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
60
2 May
79
3 May
77
4 May
76
5 May
80
6 May
74
7 May
74
8 May
76
9 May
78
10 May
80
11 May
54
12 May
70
13 May
67
14 May
64
15 May
60
16 May
60
17 May
53
18 May
56
19 May
55
20 May
57
21 May
56
22 May
56
23 May
53
24 May
53
25 May
54
26 May
60
27 May
82
28 May
80
29 May
-
30 May
-
31 May
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

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

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Prevent Health Problems: Understand Your Risks

Hanoi

  • asthma due to air pollution in HanoiAsthma
  • heart due to air pollution in HanoiHeart Issues
  • allergy due to air pollution in HanoiAllergies
  • sinus due to air pollution in HanoiSinus
  • flu due to air pollution in HanoiCold/Flu
  • copd due to air pollution in HanoiChronic (COPD)
asthma due to air pollution in Hanoi

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

Most Polluted Cities 2025

Vietnam

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

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Thanh pho Song Cong, Vietnam

78
Moderate
5xabove Standard

2.

Lao Cai, Vietnam

58
Moderate
4xabove Standard

3.

Ham Yen District, Vietnam

54
Moderate
4xabove Standard

4.

Thanh pho Hung Yen, Vietnam

54
Moderate
4xabove Standard

5.

Hung Yen, Vietnam

53
Moderate
4xabove Standard

6.

Thanh pho Tam Ky, Vietnam

53
Moderate
4xabove Standard

7.

North Tu Liem District, Vietnam

52
Moderate
3xabove Standard

8.

Phu Ly, Vietnam

52
Moderate
3xabove Standard

9.

Thanh pho Quang Ngai, Vietnam

52
Moderate
3xabove Standard

10.

Nam Tu Liem, Vietnam

52
Moderate
3xabove Standard

Last Updated: 30 May 2025, 03:56 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

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices 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 for Hanoi

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 institutes for Hanoi

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 for Hanoi

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 for Hanoi

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 for Hanoi

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 for Hanoi

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 for Hanoi

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 for Hanoi

Air Quality Solutions for Retail Stores

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

air quality solutions for airport for Hanoi

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 for Hanoi

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 for Hanoi

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 bathroom for Hanoi

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 for Hanoi

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 for Hanoi

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 for Hanoi

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 AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Hanoi
Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Hanoi

Frequently Asked Questions About Air Quality

What is the current AQI level in Hanoi?

The current real-time AQI level in Hanoi is 46 (Good) due to recent rainfall by 0.03mm/hr. This was last updated 2025-05-30 10:40:55 AM (Local Time).

When was the best AQI level in Hanoi in the last 24 hours?

The best AQI level was 40 (Good) at 8:10 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Hanoi in the last 24 hours?

The worst AQI level was 73 (Moderate) at 3:10 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Hanoi during last 24 hours?

The AQI levels in Hanoi have been fluctuating throughout the last 24 hours. The levels have increased by highest 73 at 3:10 AM (Local Time), lowest 40 at 8:10 AM (Local Time).

What actions are recommended as per the current AQI 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.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Delhi Rain May 2025 Breaks Records — Why It Happened and What’s Next

Delhi Rain May 2025 Breaks Records — Why It Happened and What’s Next

26 May 2025Shakshi
How Air Pollution Fuels COPD—and What You Can Do About It?

How Air Pollution Fuels COPD—and What You Can Do About It?

22 May 2025Shakshi
How Heat and Air Pollution Can Be Increasing Mortality in India: New Study Reveals

How Heat and Air Pollution Can Be Increasing Mortality in India: New Study Reveals

19 May 2025Shakshi
Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

15 May 2025Shakshi
Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

15 May 2025Gyane
Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

14 May 2025Shakshi
Methane Emissions from Delhi’s Landfills: An Invisible Threat

Methane Emissions from Delhi’s Landfills: An Invisible Threat

12 May 2025Shakshi
The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

7 May 2025Shakshi
World Asthma Day 2025: The Link Between Air Pollution and Asthma

World Asthma Day 2025: The Link Between Air Pollution and Asthma

6 May 2025Shakshi
Why Air Quality Monitoring is Essential for Sustainable Development: Key Insights

Why Air Quality Monitoring is Essential for Sustainable Development: Key Insights

1 May 2025Gyane
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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
Prana Air Logo

Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
Prana Air Logo

Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor