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Yashima Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-20 01:39:10 PM (Local Time)

Live AQI

53(AQI-US)

Air Quality is

Moderate

pm10 : 19 µg/m³

PM2.5 : 10 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

30 °C

Last Updated: 2025-08-20 01:39:10 PM (Local Time)

Map

Yashima

Major Air Pollutants
Yashima

Particulate Matter(PM2.5)

10µg/m³

Particulate Matter(PM10)

19µg/m³

Carbon Monoxide(CO)

169ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

6ppb

Ozone(O3)

20ppb

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AQI Graph

Historical Air Quality Data
Yashima

24 Hours

AQI

Yashima

AQI

19-08-2025Time20-08-2025

Time	Yashima
02 PM	60
03 PM	60
04 PM	60
05 PM	53
06 PM	58
07 PM	53
08 PM	53
09 PM	45
10 PM	49
11 PM	47
12 AM	45
01 AM	43
02 AM	43
03 AM	44
04 AM	49
05 AM	50
06 AM	51
07 AM	50
08 AM	50
09 AM	36
10 AM	46
11 AM	45
12 PM	46
01 PM	50

Min.at 9:09 AM on 20th Aug

Max.at 2:09 PM on 19th Aug

Want air quality data?

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

AQI

Year

AQI

AQI	AQI
Mar 2020	46
Apr 2020	52
May 2020	55
Jun 2020	46
Jul 2020	31
Aug 2020	54
Sep 2020	40
Oct 2020	48
Nov 2020	51
Dec 2020	49
Jan 2021	45
Feb 2021	45
Mar 2021	46
Apr 2021	44
May 2021	50
Jun 2021	49
Jul 2021	31
Aug 2021	29
Sep 2021	39
Oct 2021	50
Nov 2021	47
Dec 2021	43
Jan 2022	46
Feb 2022	48
Mar 2022	49
Apr 2022	46
May 2022	53
Jun 2022	43
Jul 2022	39
Aug 2022	34
Sep 2022	40
Oct 2022	47
Nov 2022	50
Dec 2022	45
Jan 2023	48
Feb 2023	49
Mar 2023	51
Apr 2023	53
May 2023	48
Jun 2023	48
Jul 2023	37
Aug 2023	32
Sep 2023	39
Oct 2023	46
Nov 2023	48
Dec 2023	42
Jan 2024	65
Feb 2024	60
Mar 2024	60
Apr 2024	51
May 2024	50
Jun 2024	42
Jul 2024	33
Aug 2024	46
Sep 2024	46
Oct 2024	64
Nov 2024	46
Dec 2024	40
Jan 2025	47
Feb 2025	40
Mar 2025	47
Apr 2025	46
May 2025	45
Jun 2025	37
Jul 2025	46
Aug 2025	42

Annual AQI Trends

2020

47AQI

2021

43AQI

-9%

Fall

2022

46AQI

Rise

2023

45AQI

-2%

Fall

2024

48AQI

Rise

2025

44AQI

-8%

Fall

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

-1%

Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedJanuary, 202465AQI

Least PollutedAugust, 202129AQI

* This data analysis is from year 2020 - 2025

Yashima's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Akitsu

Moderate

Asahimachi

Moderate

Jonanmachitaka

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Yashima

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 37	2 Jan 43	3 Jan 36	4 Jan 39
5 Jan 37	6 Jan 51	7 Jan 31	8 Jan 42	9 Jan 29	10 Jan 33	11 Jan 29
12 Jan 34	13 Jan 43	14 Jan 46	15 Jan 50	16 Jan 45	17 Jan 53	18 Jan 53
19 Jan 59	20 Jan 54	21 Jan 76	22 Jan 76	23 Jan 76	24 Jan 79	25 Jan 54
26 Jan 45	27 Jan 41	28 Jan 37	29 Jan 34	30 Jan 38	31 Jan 47	1 Feb 43

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 45	27 Jan 41	28 Jan 37	29 Jan 34	30 Jan 38	31 Jan 47	1 Feb 43
2 Feb 35	3 Feb 49	4 Feb 33	5 Feb 42	6 Feb 32	7 Feb 38	8 Feb 31
9 Feb 33	10 Feb 32	11 Feb 43	12 Feb 44	13 Feb 36	14 Feb 43	15 Feb 32
16 Feb 39	17 Feb 44	18 Feb 35	19 Feb 39	20 Feb 35	21 Feb 36	22 Feb 43
23 Feb 40	24 Feb 39	25 Feb 39	26 Feb 39	27 Feb 67	28 Feb 55	1 Mar 55

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 40	24 Feb 39	25 Feb 39	26 Feb 39	27 Feb 67	28 Feb 55	1 Mar 55
2 Mar 47	3 Mar 41	4 Mar 31	5 Mar 29	6 Mar 32	7 Mar 34	8 Mar 44
9 Mar 46	10 Mar 51	11 Mar 47	12 Mar 49	13 Mar 57	14 Mar 44	15 Mar 36
16 Mar 32	17 Mar 51	18 Mar 44	19 Mar 40	20 Mar 51	21 Mar 53	22 Mar 62
23 Mar 60	24 Mar 47	25 Mar 58	26 Mar 56	27 Mar 52	28 Mar 55	29 Mar 54
30 Mar 46	31 Mar 48	1 Apr 46	2 Apr 42	3 Apr 43	4 Apr 43	5 Apr 46

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 46	31 Mar 48	1 Apr 46	2 Apr 42	3 Apr 43	4 Apr 43	5 Apr 46
6 Apr 46	7 Apr 44	8 Apr 41	9 Apr 52	10 Apr 44	11 Apr 55	12 Apr 53
13 Apr 50	14 Apr 56	15 Apr 36	16 Apr 51	17 Apr 45	18 Apr 49	19 Apr 52
20 Apr 43	21 Apr 48	22 Apr 37	23 Apr 32	24 Apr 37	25 Apr 49	26 Apr 50
27 Apr 50	28 Apr 45	29 Apr 51	30 Apr 53	1 May 48	2 May 41	3 May 41

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 50	28 Apr 45	29 Apr 51	30 Apr 53	1 May 48	2 May 41	3 May 41
4 May 39	5 May 43	6 May 36	7 May 39	8 May 48	9 May 35	10 May 41
11 May 45	12 May 52	13 May 55	14 May 59	15 May 56	16 May 63	17 May 40
18 May 48	19 May 53	20 May 41	21 May 34	22 May 37	23 May 46	24 May 38
25 May 38	26 May 41	27 May 44	28 May 49	29 May 43	30 May 45	31 May 42

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 54	2 Jun 49	3 Jun 33	4 Jun 45	5 Jun 46	6 Jun 51	7 Jun 61
8 Jun 64	9 Jun 33	10 Jun 30	11 Jun 37	12 Jun 39	13 Jun 44	14 Jun 30
15 Jun 30	16 Jun 32	17 Jun 30	18 Jun 34	19 Jun 35	20 Jun 36	21 Jun 31
22 Jun 25	23 Jun 20	24 Jun 28	25 Jun 27	26 Jun 25	27 Jun 30	28 Jun 31
29 Jun 39	30 Jun 54	1 Jul 72	2 Jul 102	3 Jul 89	4 Jul 91	5 Jul 72

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 39	30 Jun 54	1 Jul 72	2 Jul 102	3 Jul 89	4 Jul 91	5 Jul 72
6 Jul 56	7 Jul 55	8 Jul 61	9 Jul 68	10 Jul 49	11 Jul 40	12 Jul 39
13 Jul 38	14 Jul 35	15 Jul 44	16 Jul 58	17 Jul 54	18 Jul 34	19 Jul 33
20 Jul 32	21 Jul 28	22 Jul 41	23 Jul 41	24 Jul 26	25 Jul 24	26 Jul 21
27 Jul 21	28 Jul 22	29 Jul 24	30 Jul 24	31 Jul 27	1 Aug 45	2 Aug 48

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 21	28 Jul 22	29 Jul 24	30 Jul 24	31 Jul 27	1 Aug 45	2 Aug 48
3 Aug 49	4 Aug 46	5 Aug 45	6 Aug 47	7 Aug 45	8 Aug 39	9 Aug 36
10 Aug 39	11 Aug 31	12 Aug 36	13 Aug 41	14 Aug 41	15 Aug 41	16 Aug 43
17 Aug 41	18 Aug 49	19 Aug -	20 Aug -	21 Aug -	22 Aug -	23 Aug -
24 Aug -	25 Aug -	26 Aug -	27 Aug -	28 Aug -	29 Aug -	30 Aug -
31 Aug -	1 Sep -	2 Sep -	3 Sep -	4 Sep -	5 Sep -	6 Sep -

Health Advice For People Living In
Yashima

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

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 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

Yashima

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

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild 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
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

Obama, Japan

Toyooka, Japan

Tottori, Japan

Miyazu, Japan

Maizuru, Japan

Wajimazakimachi, Japan

Tateishi, Japan

Tsuruga, Japan

Rikuzen Takata, Japan

Moderate

4xabove Standard

10.

Torihama, Japan

Moderate

4xabove Standard

Last Updated: 20 Aug 2025, 04:56 AM

AQI City Rankings

Air Quality Solutions For Yashima
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 Yashima

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 Yashima

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 Yashima

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 Yashima

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.

Yashima'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 Yashima

Frequently Asked Questions About Air Quality

What is the current AQI level in Yashima?

The current real-time AQI level in Yashima is 53 (Moderate) due to recent rainfall by 0.15mm/hr. This was last updated 2025-08-20 01:39:10 PM (Local Time).

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

The best AQI level was 36 (Good) at 9:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 60 (Moderate) at 2:09 PM, Aug 19, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Yashima have been fluctuating throughout the last 24 hours. The levels have increased by highest 60 at 2:09 PM, Aug 19, 2025 (Local Time), lowest 36 at 9:09 AM (Local Time).

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

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