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Masuda Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-07-16 02:39:13 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 24 µg/m³

PM2.5 : 12 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

22 °C

Last Updated: 2025-07-16 02:39:13 AM (Local Time)

Map

Masuda

Major Air Pollutants
Masuda

Particulate Matter(PM2.5)

12µg/m³

Particulate Matter(PM10)

24µg/m³

Carbon Monoxide(CO)

167ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

24ppb

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AQI Graph

Historical Air Quality Data
Masuda

24 Hours

AQI

Masuda

AQI

15-07-2025Time16-07-2025

Time	Masuda
02 AM	56
03 AM	58
04 AM	58
05 AM	55
06 AM	55
07 AM	55
08 AM	55
09 AM	47
10 AM	43
11 AM	44
12 PM	48
01 PM	44
02 PM	39
03 PM	40
04 PM	47
05 PM	51
06 PM	55
07 PM	58
08 PM	58
09 PM	58
10 PM	56
11 PM	57
12 AM	59
01 AM	58
02 AM	56

Min.at 2:09 PM on 15th Jul

Max.at 12:09 AM on 16th Jul

Want air quality data?

AQI Trends - Annual Air Quality Changes
Masuda, Shimane, Japan

AQI

Year

AQI

AQI	AQI
Mar 2020	36
Apr 2020	37
May 2020	37
Jun 2020	38
Jul 2020	27
Aug 2020	52
Sep 2020	28
Oct 2020	30
Nov 2020	32
Dec 2020	31
Jan 2021	32
Feb 2021	38
Mar 2021	35
Apr 2021	35
May 2021	42
Jun 2021	44
Jul 2021	32
Aug 2021	31
Sep 2021	30
Oct 2021	31
Nov 2021	37
Dec 2021	32
Jan 2022	34
Feb 2022	39
Mar 2022	46
Apr 2022	39
May 2022	48
Jun 2022	40
Jul 2022	35
Aug 2022	31
Sep 2022	30
Oct 2022	30
Nov 2022	34
Dec 2022	30
Jan 2023	36
Feb 2023	33
Mar 2023	46
Apr 2023	48
May 2023	43
Jun 2023	40
Jul 2023	36
Aug 2023	29
Sep 2023	32
Oct 2023	34
Nov 2023	37
Dec 2023	36
Jan 2024	31
Feb 2024	31
Mar 2024	42
Apr 2024	46
May 2024	42
Jun 2024	40
Jul 2024	27
Aug 2024	32
Sep 2024	38
Oct 2024	29
Nov 2024	32
Dec 2024	30
Jan 2025	37
Feb 2025	36
Mar 2025	45
Apr 2025	44
May 2025	44
Jun 2025	47
Jul 2025	61

Annual AQI Trends

2020

35AQI

2021

35AQI

No Change

2022

37AQI

Rise

2023

38AQI

Rise

2024

35AQI

-8%

Fall

2025

43AQI

23%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJuly, 202561AQI

Least PollutedJuly, 202427AQI

* This data analysis is from year 2020 - 2025

Masuda's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Showacho

Moderate

Takatsucho

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Masuda

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 28	2 Jan 38	3 Jan 31	4 Jan 31
5 Jan 27	6 Jan 41	7 Jan 29	8 Jan 33	9 Jan 29	10 Jan 27	11 Jan 27
12 Jan 29	13 Jan 39	14 Jan 45	15 Jan 36	16 Jan 33	17 Jan 31	18 Jan 28
19 Jan 39	20 Jan 35	21 Jan 44	22 Jan 56	23 Jan 64	24 Jan 55	25 Jan 43
26 Jan 38	27 Jan 31	28 Jan 31	29 Jan 30	30 Jan 45	31 Jan 50	1 Feb 47

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 38	27 Jan 31	28 Jan 31	29 Jan 30	30 Jan 45	31 Jan 50	1 Feb 47
2 Feb 35	3 Feb 46	4 Feb 32	5 Feb 37	6 Feb 31	7 Feb 34	8 Feb 31
9 Feb 29	10 Feb 30	11 Feb 32	12 Feb 29	13 Feb 30	14 Feb 37	15 Feb 31
16 Feb 35	17 Feb 41	18 Feb 31	19 Feb 35	20 Feb 31	21 Feb 32	22 Feb 34
23 Feb 33	24 Feb 36	25 Feb 34	26 Feb 46	27 Feb 47	28 Feb 51	1 Mar 52

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 33	24 Feb 36	25 Feb 34	26 Feb 46	27 Feb 47	28 Feb 51	1 Mar 52
2 Mar 42	3 Mar 41	4 Mar 33	5 Mar 32	6 Mar 33	7 Mar 34	8 Mar 35
9 Mar 38	10 Mar 39	11 Mar 38	12 Mar 42	13 Mar 45	14 Mar 35	15 Mar 32
16 Mar 19	17 Mar 32	18 Mar 31	19 Mar 41	20 Mar 47	21 Mar 55	22 Mar 62
23 Mar 65	24 Mar 60	25 Mar 72	26 Mar 76	27 Mar 59	28 Mar 61	29 Mar 47
30 Mar 42	31 Mar 40	1 Apr 41	2 Apr 32	3 Apr 28	4 Apr 31	5 Apr 39

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 42	31 Mar 40	1 Apr 41	2 Apr 32	3 Apr 28	4 Apr 31	5 Apr 39
6 Apr 47	7 Apr 42	8 Apr 41	9 Apr 55	10 Apr 53	11 Apr 56	12 Apr 48
13 Apr 46	14 Apr 42	15 Apr 31	16 Apr 46	17 Apr 45	18 Apr 52	19 Apr 50
20 Apr 41	21 Apr 40	22 Apr 33	23 Apr 23	24 Apr 35	25 Apr 68	26 Apr 51
27 Apr 54	28 Apr 47	29 Apr 50	30 Apr 51	1 May 47	2 May 42	3 May 46

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 54	28 Apr 47	29 Apr 50	30 Apr 51	1 May 47	2 May 42	3 May 46
4 May 41	5 May 41	6 May 34	7 May 34	8 May 37	9 May 33	10 May 34
11 May 43	12 May 53	13 May 55	14 May 60	15 May 58	16 May 55	17 May 43
18 May 52	19 May 55	20 May 54	21 May 50	22 May 41	23 May 49	24 May 38
25 May 32	26 May 31	27 May 41	28 May 36	29 May 41	30 May 41	31 May 38

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 45	2 Jun 52	3 Jun 34	4 Jun 44	5 Jun 45	6 Jun 52	7 Jun 58
8 Jun 61	9 Jun 61	10 Jun 38	11 Jun 48	12 Jun 52	13 Jun 47	14 Jun 34
15 Jun 32	16 Jun 32	17 Jun 33	18 Jun 45	19 Jun 41	20 Jun 51	21 Jun 57
22 Jun 70	23 Jun 47	24 Jun 43	25 Jun 45	26 Jun 51	27 Jun 52	28 Jun 47
29 Jun 42	30 Jun 51	1 Jul 64	2 Jul 63	3 Jul 62	4 Jul 72	5 Jul 65

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 42	30 Jun 51	1 Jul 64	2 Jul 63	3 Jul 62	4 Jul 72	5 Jul 65
6 Jul 56	7 Jul 58	8 Jul 58	9 Jul 64	10 Jul 70	11 Jul 64	12 Jul 57
13 Jul 54	14 Jul 42	15 Jul -	16 Jul -	17 Jul -	18 Jul -	19 Jul -
20 Jul -	21 Jul -	22 Jul -	23 Jul -	24 Jul -	25 Jul -	26 Jul -
27 Jul -	28 Jul -	29 Jul -	30 Jul -	31 Jul -	1 Aug -	2 Aug -

Health Advice For People Living In
Masuda

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

Masuda

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

Aioi, Japan

Moderate

4xabove Standard

Tatsunocho Tominaga, Japan

Moderate

4xabove Standard

Shimotsucho Kominami, Japan

Tokushima, Japan

Higashi Osaka, Japan

Nishiwaki, Japan

Fukuyama, Japan

Tadaoka Higashi, Japan

Sumiyama, Japan

10.

Kadoma, Japan

Moderate

4xabove Standard

Last Updated: 15 Jul 2025, 05:45 PM

AQI City Rankings

Air Quality Solutions For Masuda
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 Masuda

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 Masuda

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 Masuda

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 Masuda

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.

Masuda'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 Masuda

Frequently Asked Questions About Air Quality

What is the current AQI level in Masuda?

The current real-time AQI level in Masuda is 56 (Moderate). This was last updated 2025-07-16 02:39:13 AM (Local Time).

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

The best AQI level was 39 (Good) at 2:09 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 59 (Moderate) at 12:09 AM, Jul 16, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Masuda have been fluctuating throughout the last 24 hours. The levels have increased by highest 59 at 12:09 AM, Jul 16, 2025 (Local Time), lowest 39 at 2:09 PM (Local Time).

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

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