AQI PM2.5 PM10 CO SO2 NO2 O3

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Asan Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-03 09:09:49 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 27 µg/m³

PM2.5 : 10 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

23 °C

Last Updated: 2025-06-03 09:09:49 PM (Local Time)

Map

Asan

Major Air Pollutants
Asan

Particulate Matter(PM2.5)

10µg/m³

Particulate Matter(PM10)

27µg/m³

Carbon Monoxide(CO)

201ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

49ppb

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AQI Graph

Historical Air Quality Data
Asan

24 Hours

AQI

Asan

Want air quality data?

AQI Trends - Annual Air Quality Changes
Asan, Chungnam, South Korea

AQI

Year

AQI

Annual AQI Trends

2020

64AQI

2021

69AQI

Rise

2022

67AQI

-3%

Fall

2023

68AQI

Rise

2024

57AQI

-16%

Fall

2025

67AQI

18%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedFebruary, 2023100AQI

Least PollutedJuly, 202436AQI

* This data analysis is from year 2020 - 2025

Asan's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Buyeo Gun Buyeo

Good

Cheongyang Eup

Moderate

Gongjusi Gongju

Good

Jeongsan myeon

Moderate

Sagok Myeon

Good

South Korea's Metro Cities
Air Quality Index

Busan

Daegu

Daejeon

Gwangju

Incheon

Sejong

Seoul

Ulsan

Air Quality Calendar 2025
Asan

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 71	2 Jan 61	3 Jan 58	4 Jan 57
5 Jan 69	6 Jan 77	7 Jan 56	8 Jan 64	9 Jan 41	10 Jan 60	11 Jan 62
12 Jan 76	13 Jan 88	14 Jan 88	15 Jan 58	16 Jan 68	17 Jan 78	18 Jan 77
19 Jan 83	20 Jan 110	21 Jan 132	22 Jan 134	23 Jan 110	24 Jan 109	25 Jan 79
26 Jan 58	27 Jan 67	28 Jan 51	29 Jan 57	30 Jan 61	31 Jan 77	1 Feb 90

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 58	27 Jan 67	28 Jan 51	29 Jan 57	30 Jan 61	31 Jan 77	1 Feb 90
2 Feb 95	3 Feb 60	4 Feb 52	5 Feb 48	6 Feb 53	7 Feb 48	8 Feb 44
9 Feb 52	10 Feb 58	11 Feb 73	12 Feb 69	13 Feb 51	14 Feb 77	15 Feb 56
16 Feb 106	17 Feb 52	18 Feb 62	19 Feb 47	20 Feb 54	21 Feb 51	22 Feb 58
23 Feb 52	24 Feb 52	25 Feb 54	26 Feb 71	27 Feb 61	28 Feb 69	1 Mar 93

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 52	24 Feb 52	25 Feb 54	26 Feb 71	27 Feb 61	28 Feb 69	1 Mar 93
2 Mar 68	3 Mar 55	4 Mar 45	5 Mar 41	6 Mar 67	7 Mar 78	8 Mar 77
9 Mar 95	10 Mar 90	11 Mar 95	12 Mar 91	13 Mar 81	14 Mar 82	15 Mar 49
16 Mar 69	17 Mar 61	18 Mar 78	19 Mar 80	20 Mar 95	21 Mar 97	22 Mar 108
23 Mar 112	24 Mar 109	25 Mar 129	26 Mar 88	27 Mar 88	28 Mar 62	29 Mar 52
30 Mar 51	31 Mar 62	1 Apr 72	2 Apr 79	3 Apr 80	4 Apr 80	5 Apr 70

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 51	31 Mar 62	1 Apr 72	2 Apr 79	3 Apr 80	4 Apr 80	5 Apr 70
6 Apr 66	7 Apr 69	8 Apr 74	9 Apr 66	10 Apr 73	11 Apr 79	12 Apr 62
13 Apr 61	14 Apr 45	15 Apr 56	16 Apr 62	17 Apr 64	18 Apr 78	19 Apr 50
20 Apr 64	21 Apr 50	22 Apr 46	23 Apr 42	24 Apr 58	25 Apr 58	26 Apr 48
27 Apr 41	28 Apr 53	29 Apr 62	30 Apr 59	1 May 54	2 May 50	3 May 49

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 41	28 Apr 53	29 Apr 62	30 Apr 59	1 May 54	2 May 50	3 May 49
4 May 47	5 May 48	6 May 47	7 May 50	8 May 62	9 May 45	10 May 53
11 May 66	12 May 69	13 May 72	14 May 72	15 May 51	16 May 47	17 May 45
18 May 58	19 May 57	20 May 39	21 May 45	22 May 49	23 May 57	24 May 49
25 May 47	26 May 60	27 May 69	28 May 71	29 May 75	30 May 75	31 May 80

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 82	2 Jun -	3 Jun -	4 Jun -	5 Jun -	6 Jun -	7 Jun -
8 Jun -	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Asan

1.1Cigarettes per day

Weekly 7.7 Cigarettes

Monthly 33.0 Cigarettes

Breathing the air in this location is as harmful as smoking 1.1 cigarettes a day.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

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

Prevent Health Problems: Understand Your Risks

Asan

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

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
South Korea

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

Busan, South Korea

Ulsan, South Korea

Yangsan, South Korea

Pohang, South Korea

Kunsan, South Korea

Kyongju, South Korea

Kimhae, South Korea

Pohang, South Korea

Iksan, South Korea

10.

Kimje, South Korea

Moderate

4xabove Standard

Last Updated: 03 Jun 2025, 12:28 PM

AQI City Rankings

Air Quality Solutions For Asan
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 Asan

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 Asan

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 Asan

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 Asan

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.

Asan'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 Asan

Frequently Asked Questions About Air Quality

What is the current AQI level in Asan?

The current real-time AQI level in Asan is 49 (Good). This was last updated 2025-06-03 09:09:49 PM (Local Time).

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

The best AQI level was 49 (Good) at 9:09 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 100 (Moderate) at 10:09 PM, Jun 2, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Asan have been fluctuating throughout the last 24 hours. The levels have increased by highest 100 at 10:09 PM, Jun 2, 2025 (Local Time), lowest 49 at 9:09 PM (Local Time).

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

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