AQI PM2.5 PM10 CO SO2 NO2 O3

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Kumamoto Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-28 11:09:50 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 20 µg/m³

PM2.5 : 13 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

18 °C

Last Updated: 2025-05-28 11:09:50 PM (Local Time)

Map

Kumamoto

Major Air Pollutants
Kumamoto

Particulate Matter(PM2.5)

13µg/m³

Particulate Matter(PM10)

20µg/m³

Carbon Monoxide(CO)

41ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

7ppb

Ozone(O3)

45ppb

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AQI Graph

Historical Air Quality Data
Kumamoto

24 Hours

AQI

Kumamoto

Want air quality data?

AQI Trends - Annual Air Quality Changes
Kumamoto, Kumamoto, Japan

AQI

Year

AQI

Annual AQI Trends

2020

44AQI

2021

42AQI

-5%

Fall

2022

47AQI

12%

Rise

2023

46AQI

-2%

Fall

2024

44AQI

-4%

Fall

2025

46AQI

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJanuary, 202466AQI

Least PollutedJuly, 202427AQI

* This data analysis is from year 2020 - 2025

Kumamoto's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Kumamoto City Hall

Moderate

Kuwamizuhonmachi

Moderate

Kuwamizuhonmachi

Moderate

Kyomachi Honcho

Moderate

Nakashimamachi

Good

Nihongi

Moderate

Okukogamachi

Good

Suidacha

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Kumamoto

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 41	2 Jan 47	3 Jan 41	4 Jan 41
5 Jan 40	6 Jan 54	7 Jan 32	8 Jan 45	9 Jan 30	10 Jan 34	11 Jan 29
12 Jan 35	13 Jan 43	14 Jan 48	15 Jan 50	16 Jan 47	17 Jan 54	18 Jan 55
19 Jan 61	20 Jan 56	21 Jan 78	22 Jan 78	23 Jan 79	24 Jan 81	25 Jan 54
26 Jan 46	27 Jan 43	28 Jan 37	29 Jan 34	30 Jan 40	31 Jan 50	1 Feb 44

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 46	27 Jan 43	28 Jan 37	29 Jan 34	30 Jan 40	31 Jan 50	1 Feb 44
2 Feb 37	3 Feb 49	4 Feb 32	5 Feb 42	6 Feb 32	7 Feb 39	8 Feb 31
9 Feb 34	10 Feb 33	11 Feb 45	12 Feb 46	13 Feb 38	14 Feb 46	15 Feb 34
16 Feb 40	17 Feb 45	18 Feb 36	19 Feb 40	20 Feb 38	21 Feb 37	22 Feb 43
23 Feb 41	24 Feb 40	25 Feb 41	26 Feb 40	27 Feb 69	28 Feb 58	1 Mar 58

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 41	24 Feb 40	25 Feb 41	26 Feb 40	27 Feb 69	28 Feb 58	1 Mar 58
2 Mar 48	3 Mar 42	4 Mar 33	5 Mar 30	6 Mar 32	7 Mar 34	8 Mar 45
9 Mar 47	10 Mar 53	11 Mar 47	12 Mar 50	13 Mar 57	14 Mar 45	15 Mar 36
16 Mar 31	17 Mar 52	18 Mar 44	19 Mar 41	20 Mar 52	21 Mar 54	22 Mar 63
23 Mar 61	24 Mar 49	25 Mar 58	26 Mar 57	27 Mar 54	28 Mar 57	29 Mar 54
30 Mar 50	31 Mar 51	1 Apr 49	2 Apr 45	3 Apr 45	4 Apr 45	5 Apr 48

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 50	31 Mar 51	1 Apr 49	2 Apr 45	3 Apr 45	4 Apr 45	5 Apr 48
6 Apr 48	7 Apr 46	8 Apr 43	9 Apr 54	10 Apr 47	11 Apr 56	12 Apr 54
13 Apr 51	14 Apr 55	15 Apr 38	16 Apr 51	17 Apr 46	18 Apr 50	19 Apr 53
20 Apr 45	21 Apr 48	22 Apr 39	23 Apr 34	24 Apr 39	25 Apr 49	26 Apr 50
27 Apr 51	28 Apr 46	29 Apr 51	30 Apr 53	1 May 49	2 May 42	3 May 44

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 51	28 Apr 46	29 Apr 51	30 Apr 53	1 May 49	2 May 42	3 May 44
4 May 40	5 May 45	6 May 37	7 May 40	8 May 50	9 May 35	10 May 41
11 May 46	12 May 52	13 May 55	14 May 59	15 May 57	16 May 63	17 May 44
18 May 49	19 May 53	20 May 43	21 May 37	22 May 37	23 May 47	24 May 42
25 May 46	26 May 44	27 May 46	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Kumamoto

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

Kumamoto

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
Japan

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

Hachimancho, Japan

Arao, Japan

Honmachi, Japan

Yamaga, Japan

Tamana, Japan

Furukawamen, Japan

Ita, Japan

Ogoshi, Japan

Ureshinomachi Shimojuku, Japan

Moderate

4xabove Standard

10.

Tachiarai, Japan

Moderate

4xabove Standard

Last Updated: 28 May 2025, 02:23 PM

AQI City Rankings

Air Quality Solutions For Kumamoto
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 Kumamoto

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 Kumamoto

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 Kumamoto

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 Kumamoto

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.

Kumamoto'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 Kumamoto

Frequently Asked Questions About Air Quality

What is the current AQI level in Kumamoto?

The current real-time AQI level in Kumamoto is 58 (Moderate). This was last updated 2025-05-28 11:09:50 PM (Local Time).

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

The best AQI level was 42 (Good) at 6:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 58 (Moderate) at 11:09 PM (Local Time) during the last 24 hours.

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

The AQI levels in Kumamoto have been fluctuating throughout the last 24 hours. The levels have increased by highest 58 at 11:09 PM (Local Time), lowest 42 at 6:09 AM (Local Time).

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

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