AQI PM2.5 PM10 CO SO2 NO2 O3

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Son Tay Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-29 04:54:07 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 34 µg/m³

PM2.5 : 16 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

29 °C

Last Updated: 2025-05-29 04:54:07 PM (Local Time)

Map

Son Tay

Major Air Pollutants
Son Tay

Particulate Matter(PM2.5)

16µg/m³

Particulate Matter(PM10)

34µg/m³

Carbon Monoxide(CO)

241ppb

Sulfur Dioxide(SO2)

10ppb

Nitrogen Dioxide(NO2)

14ppb

Ozone(O3)

13ppb

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AQI Graph

Historical Air Quality Data
Son Tay

24 Hours

AQI

Son Tay

Want air quality data?

AQI Trends - Annual Air Quality Changes
Son Tay, Ha Noi, Vietnam

AQI

Year

AQI

Annual AQI Trends

2021

9AQI

2023

34AQI

278%

Rise

2024

71AQI

109%

Rise

2025

101AQI

42%

Rise

Overall Annual Percentage (%) change of AQI in (2021 to 2025)

143%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJanuary, 2025133AQI

Least PollutedApril, 20242AQI

* This data analysis is from year 2021 - 2025

Son Tay's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Ha Noi UBND TT Lien Quan Thach That

Moderate

Vietnam's Metro Cities
Air Quality Index

Can Tho

Hanoi

Ho Chi Minh City

Thanh pho Thai Nguyen

temp.25°C

hum.83%

Air Quality Calendar 2025
Son Tay

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 162	2 Jan 198	3 Jan 164	4 Jan 145
5 Jan 144	6 Jan 151	7 Jan 155	8 Jan 147	9 Jan 152	10 Jan 103	11 Jan 115
12 Jan 121	13 Jan 144	14 Jan 144	15 Jan 146	16 Jan 143	17 Jan 148	18 Jan 159
19 Jan 152	20 Jan 168	21 Jan 148	22 Jan 151	23 Jan 130	24 Jan 117	25 Jan 108
26 Jan 70	27 Jan 87	28 Jan 77	29 Jan 106	30 Jan 98	31 Jan 81	1 Feb 79

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 70	27 Jan 87	28 Jan 77	29 Jan 106	30 Jan 98	31 Jan 81	1 Feb 79
2 Feb 69	3 Feb 60	4 Feb 65	5 Feb 91	6 Feb 113	7 Feb 58	8 Feb 76
9 Feb 97	10 Feb 138	11 Feb 151	12 Feb 167	13 Feb 148	14 Feb 146	15 Feb 151
16 Feb 102	17 Feb 122	18 Feb 90	19 Feb 117	20 Feb 130	21 Feb 122	22 Feb 132
23 Feb 80	24 Feb 84	25 Feb 93	26 Feb 86	27 Feb 136	28 Feb 108	1 Mar 111

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 80	24 Feb 84	25 Feb 93	26 Feb 86	27 Feb 136	28 Feb 108	1 Mar 111
2 Mar 92	3 Mar 94	4 Mar 96	5 Mar 95	6 Mar 76	7 Mar 80	8 Mar 101
9 Mar 128	10 Mar 142	11 Mar 127	12 Mar 111	13 Mar 95	14 Mar 97	15 Mar 89
16 Mar 73	17 Mar 89	18 Mar 88	19 Mar 84	20 Mar 99	21 Mar 117	22 Mar 118
23 Mar 121	24 Mar 126	25 Mar 131	26 Mar 114	27 Mar 112	28 Mar 112	29 Mar 82
30 Mar 67	31 Mar 75	1 Apr 94	2 Apr 120	3 Apr 110	4 Apr 133	5 Apr 106

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 67	31 Mar 75	1 Apr 94	2 Apr 120	3 Apr 110	4 Apr 133	5 Apr 106
6 Apr 123	7 Apr 111	8 Apr 114	9 Apr 93	10 Apr 98	11 Apr 97	12 Apr 102
13 Apr 83	14 Apr 93	15 Apr 98	16 Apr 100	17 Apr 98	18 Apr 100	19 Apr 95
20 Apr 81	21 Apr 82	22 Apr 91	23 Apr 93	24 Apr 83	25 Apr 77	26 Apr 77
27 Apr 69	28 Apr 66	29 Apr 73	30 Apr 73	1 May 60	2 May 74	3 May 75

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 69	28 Apr 66	29 Apr 73	30 Apr 73	1 May 60	2 May 74	3 May 75
4 May 74	5 May 77	6 May 73	7 May 75	8 May 75	9 May 78	10 May 79
11 May 53	12 May 67	13 May 67	14 May 65	15 May 60	16 May 59	17 May 56
18 May 55	19 May 57	20 May 58	21 May 56	22 May 56	23 May 56	24 May 54
25 May 55	26 May 60	27 May 83	28 May 81	29 May -	30 May -	31 May -

Health Advice For People Living In
Son Tay

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 PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Son Tay

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

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.

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

Thanh pho Song Cong, Vietnam

Ninh Binh, Vietnam

Nam Tu Liem, Vietnam

South Tu Liem District, Vietnam

Lao Cai, Vietnam

Dan Chu, Vietnam

Phu Ly, Vietnam

North Tu Liem District, Vietnam

Moderate

4xabove Standard

Thanh pho Hung Yen, Vietnam

Moderate

4xabove Standard

10.

Thanh pho Tam Ky, Vietnam

Moderate

4xabove Standard

Last Updated: 29 May 2025, 12:02 PM

AQI City Rankings

Air Quality Solutions For Son Tay
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

air quality solutions for offices for Son Tay

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 institutes for Son Tay

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.

air quality solutions for airport for Son Tay

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 bathroom for Son Tay

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.

Son Tay's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

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

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Son Tay

Frequently Asked Questions About Air Quality

What is the current AQI level in Son Tay?

The current real-time AQI level in Son Tay is 64 (Moderate) due to recent rainfall by 2.24mm/hr. This was last updated 2025-05-29 04:54:07 PM (Local Time).

When was the best AQI level in Son Tay in the last 24 hours?

The best AQI level was 53 (Moderate) at 6:09 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Son Tay in the last 24 hours?

The worst AQI level was 90 (Moderate) at 10:09 PM, May 28, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Son Tay have been fluctuating throughout the last 24 hours. The levels have increased by highest 90 at 10:09 PM, May 28, 2025 (Local Time), lowest 53 at 6:09 PM (Local Time).

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

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