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Hanoi Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-10-06 11:16:18 PM (Local Time)

location image
Live AQI
66(AQI-US)
Air Quality is
Moderate
pm10 :  35 µg/m³
PM2.5 :  17 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Hanoi
overcast

25 °C

Overcast
Humidity
Humidity94 %
Wind Speed
Wind Speed16 km/h
UV Index
UV Index0
Last Updated: 2025-10-06 11:16:18 PM (Local Time)
Map

Hanoi

Major Air Pollutants

Hanoi

PM2.5's Icon

Particulate Matter(PM2.5)

17µg/m³

PM10's Icon

Particulate Matter(PM10)

35µg/m³

CO's Icon

Carbon Monoxide(CO)

260ppb

SO2's Icon

Sulfur Dioxide(SO2)

7ppb

NO2's Icon

Nitrogen Dioxide(NO2)

18ppb

O3's Icon

Ozone(O3)

32ppb

Trending in Vietnam

Air Quality Monitoring for Logistics: Smarter Deliveries with Data

Air Quality Monitoring for Logistics: Smarter Deliveries with Data

AQI Graph

Historical Air Quality Data

Hanoi

24 Hours
AQI
Hanoi
AQI
.
05-10-2025Time06-10-2025
61
Min.at 3:04 PM on 6th Oct
162
Max.at 3:04 AM on 6th Oct

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
78AQI
0%
No Change
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
3%
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.(%)
Moderate
75
22
33
32
100
Moderate
73
21
28
32
100
Moderate
60
14
22
32
100
Moderate
81
25
28
31
100
Moderate
62
15
38
26
100
Moderate
62
15
24
27
100
Moderate
64
16
36
34
100
Moderate
71
20
34
28
100
Moderate
60
14
33
34
100
Moderate
58
13
49
27
100
Moderate
53
10
33
32
100
Moderate
66
17
33
26
100
Moderate
73
21
30
31
97
Moderate
81
25
40
28
100
Moderate
68
18
37
31
100
Moderate
66
17
43
33
100
Moderate
62
15
45
29
100
Moderate
68
18
44
29
98

Vietnam's Metro Cities

Air Quality Index

Can Tho City AQI

Can Tho

90

temp.26°C
hum.85%
Hanoi City AQI

Hanoi

66

temp.25°C
hum.94%
Ho Chi Minh City City AQI

Ho Chi Minh City

67

temp.26°C
hum.79%
Thai Nguyen City AQI

Thai Nguyen

56

temp.25°C
hum.94%

Air Quality Calendar 2025

Hanoi

2025
AQI
January
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
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
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
1 Apr
90
2 Apr
119
3 Apr
103
4 Apr
131
5 Apr
107
6 Apr
122
7 Apr
112
8 Apr
112
9 Apr
94
10 Apr
94
11 Apr
95
12 Apr
101
13 Apr
88
14 Apr
96
15 Apr
102
16 Apr
105
17 Apr
97
18 Apr
101
19 Apr
94
20 Apr
82
21 Apr
82
22 Apr
90
23 Apr
92
24 Apr
83
25 Apr
75
26 Apr
77
27 Apr
65
28 Apr
61
29 Apr
76
30 Apr
71
May
1 May
60
2 May
79
3 May
77
4 May
76
5 May
80
6 May
73
7 May
74
8 May
76
9 May
78
10 May
80
11 May
53
12 May
70
13 May
67
14 May
64
15 May
60
16 May
59
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
61
30 May
61
31 May
59
June
1 Jun
50
2 Jun
52
3 Jun
52
4 Jun
58
5 Jun
69
6 Jun
58
7 Jun
57
8 Jun
57
9 Jun
62
10 Jun
58
11 Jun
61
12 Jun
59
13 Jun
53
14 Jun
60
15 Jun
70
16 Jun
63
17 Jun
61
18 Jun
56
19 Jun
63
20 Jun
67
21 Jun
60
22 Jun
57
23 Jun
60
24 Jun
63
25 Jun
58
26 Jun
58
27 Jun
58
28 Jun
54
29 Jun
55
30 Jun
54
July
1 Jul
48
2 Jul
48
3 Jul
53
4 Jul
61
5 Jul
61
6 Jul
58
7 Jul
63
8 Jul
61
9 Jul
65
10 Jul
57
11 Jul
56
12 Jul
54
13 Jul
56
14 Jul
68
15 Jul
76
16 Jul
60
17 Jul
59
18 Jul
60
19 Jul
70
20 Jul
60
21 Jul
58
22 Jul
45
23 Jul
49
24 Jul
47
25 Jul
56
26 Jul
58
27 Jul
57
28 Jul
63
29 Jul
70
30 Jul
66
31 Jul
60
August
1 Aug
53
2 Aug
54
3 Aug
56
4 Aug
57
5 Aug
56
6 Aug
53
7 Aug
55
8 Aug
55
9 Aug
53
10 Aug
54
11 Aug
54
12 Aug
51
13 Aug
52
14 Aug
54
15 Aug
45
16 Aug
42
17 Aug
40
18 Aug
39
19 Aug
42
20 Aug
45
21 Aug
47
22 Aug
47
23 Aug
46
24 Aug
45
25 Aug
37
26 Aug
35
27 Aug
40
28 Aug
45
29 Aug
46
30 Aug
41
31 Aug
40
September
1 Sep
42
2 Sep
42
3 Sep
41
4 Sep
47
5 Sep
41
6 Sep
41
7 Sep
50
8 Sep
56
9 Sep
48
10 Sep
51
11 Sep
45
12 Sep
42
13 Sep
40
14 Sep
41
15 Sep
44
16 Sep
48
17 Sep
49
18 Sep
52
19 Sep
54
20 Sep
61
21 Sep
66
22 Sep
58
23 Sep
61
24 Sep
57
25 Sep
50
26 Sep
52
27 Sep
43
28 Sep
47
29 Sep
44
30 Sep
44
October
1 Oct
69
2 Oct
78
3 Oct
71
4 Oct
95
5 Oct
116
6 Oct
-
7 Oct
-
8 Oct
-
9 Oct
-
10 Oct
-
11 Oct
-
12 Oct
-
13 Oct
-
14 Oct
-
15 Oct
-
16 Oct
-
17 Oct
-
18 Oct
-
19 Oct
-
20 Oct
-
21 Oct
-
22 Oct
-
23 Oct
-
24 Oct
-
25 Oct
-
26 Oct
-
27 Oct
-
28 Oct
-
29 Oct
-
30 Oct
-
31 Oct
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Hanoi

1.7Cigarettes per day

Cigarette
Weekly 11.9 Cigarettes
Monthly 51 Cigarettes

Breathing the air in this location is as harmful as smoking 1.7 cigarettes a day.

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

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an 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

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

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 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.

Hue, Vietnam

132
Poor
9xabove Standard

2.

Quy Nhon, Vietnam

123
Poor
8xabove Standard

3.

Thi xa Ninh Hoa, Vietnam

112
Poor
7xabove Standard

4.

Thi xa Binh Minh, Vietnam

110
Poor
7xabove Standard

5.

Thanh pho Vinh Long, Vietnam

102
Poor
7xabove Standard

6.

Thanh pho Tan An, Vietnam

102
Poor
7xabove Standard

7.

Nha Trang, Vietnam

97
Moderate
6xabove Standard

8.

Quang Tri, Vietnam

97
Moderate
6xabove Standard

9.

Da Nang, Vietnam

96
Moderate
6xabove Standard

10.

Thanh pho Ba Ria, Vietnam

96
Moderate
6xabove Standard

Last Updated: 06 Oct 2025, 04:21 PM

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

Get it onApp Store
Get it onGoogle Play
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 66 (Moderate) due to recent rainfall by 3.1mm/hr. This was last updated 2025-10-06 11:16:18 PM (Local Time).

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

The best AQI level was 61 (Moderate) at 3:04 PM (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 162 (Unhealthy) at 3:04 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 162 at 3:04 AM (Local Time), lowest 61 at 3:04 PM (Local Time).

What actions are recommended as per the current AQI level in Hanoi?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

Recent AQI Blogs

Read the latest news

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

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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
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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