AQI PM2.5 PM10 CO SO2 NO2 O3

Live

Kumamoto Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-03-26 01:39:51 PM

Live AQI

Air Quality is

Moderate

pm10 : 21 µg/m³

PM2.5 : 15 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

23 °C

Last Updated: 2025-03-26 01:39:51 PM

Map

Kumamoto

Major Air Pollutants
Kumamoto

Particulate Matter(PM2.5)

15µg/m³

Particulate Matter(PM10)

21µg/m³

Carbon Monoxide(CO)

83ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

7ppb

Ozone(O3)

40ppb

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

45AQI

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

Moderate

Nihongi

Moderate

Okukogamachi

Moderate

Suidacha

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

136

temp.23°C

hum.36%

Kyoto

120

temp.23°C

hum.38%

Saitama

155

Sendai

Tokyo

152

Yokohama

Air Quality Calendar 2025
Kumamoto

2025

AQI

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 -	26 Mar -	27 Mar -	28 Mar -	29 Mar -
30 Mar -	31 Mar -	1 Apr -	2 Apr -	3 Apr -	4 Apr -	5 Apr -

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

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

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.

Get an Air Purifier

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

Ina, Japan

Suwa, Japan

Shimomura, Japan

Yaizu, Japan

Shizuoka, Japan

Iwata, Japan

Kikugawa, Japan

Saku, Japan

Yoshinaga, Japan

10.

Noda, Japan

Unhealthy

11xabove Standard

Last Updated: 2025-03-26 01:54:12 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

Get it onApp Store

Get it onGoogle Play

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 62 (Moderate). This was last updated 2025-03-26 01:39:51 PM.

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

The best AQI level was 53 (Moderate) at 5:09 AM during the last 24 hours.

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

The worst AQI level was 65 (Moderate) at 10:09 PM, Mar 25, 2025 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 65 at 10:09 PM, Mar 25, 2025, lowest 53 at 5:09 AM.

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.