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Yumi Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-08-16 18:21:01 (Local Time)

Live AQI

33AQI (US)

Air Quality is

Good

PM2.5 : 8 µg/m³

pm10 : 19 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

24 °C

Last Updated: 2026-08-16 18:21:01 (Local Time)

Presently, Waki ranks for having the good air quality among cities worldwide.

Map

Yumi

Major Air Pollutants
Yumi

Particulate Matter(PM₂.₅)

8µg/m³

Particulate Matter(PM₁₀)

19µg/m³

Carbon Monoxide(CO)

311ppb

Sulfur Dioxide(SO₂)

1ppb

Nitrogen Dioxide(NO₂)

5ppb

Ozone(O₃)

29ppb

AQI Graph

Historical Air Quality Data
Yumi

24 Hours

AQI (US)

Yumi

AQI (US)

15-08-2026Time16-08-2026

Time	Yumi
6:31pm	56
7:01pm	63
7:31pm	63
8:01pm	54
8:31pm	54
9:01pm	50
9:31pm	42
10:01pm	52
10:31pm	46
11:01pm	52
11:31pm	42
12:01am	25
12:31am	52
1:01am	12
1:31am	12
2:01am	50
2:31am	29
3:01am	42
3:31am	33
4:01am	33
4:31am	29
5:01am	21
5:31am	21
6:01am	21
6:31am	21
7:01am	21
7:31am	21
8:01am	25
8:31am	29
9:01am	25
9:31am	25
10:01am	21
10:31am	29
11:01am	21
11:31am	33
12:01pm	38
12:31pm	33
1:01pm	38
1:31pm	42
2:01pm	29
2:31pm	29
3:01pm	25
3:31pm	25
4:01pm	25
4:31pm	21
5:01pm	25
5:31pm	25
6:01pm	33

Min. AQI (US)1:01am

Max. AQI (US)7:01pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Yumi, Waki, Yamaguchi, Japan

AQI (US)

Japan's Metro Cities
Air Quality Index

Aomori

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Air Quality Calendar 2026
Yumi

2026

AQI (US)

Health Advice For People Living In
Yumi

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 (US)

Air PurifierTurn Off

Car FilterAdvisable

N95 MaskAdvisable

Stay IndoorAdvisable

Prevent Health Problems: Understand Your Risks

Yumi

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

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 2026
Japan

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2026

World's Most PollutedCity Rankings (2025)

World's Most PollutedCountry Rankings(2025)

RankCityAQI Status

Standard Value

Ishinari, Saga

Good

1xbelow Standard

Oyama, Tochigi

Good

1xbelow Standard

Arao, Kumamoto

Good

1xbelow Standard

Iwata, Shizuoka

Good

1xbelow Standard

Miyajima, Kumamoto

Good

2xbelow Standard

Kumamoto, Kumamoto

Good

2xbelow Standard

Yashima, Kumamoto

Good

2xbelow Standard

Honmachi, Kumamoto

Good

2xbelow Standard

Kanzakimachi Kanzaki, Saga

Good

2xbelow Standard

10.

Ogoshi, Kumamoto

Good

2xbelow Standard

Last Updated: 16 Aug 2026, 09:26 AM

AQI City Rankings

Air Quality Solutions For Yumi
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

Prana Air offers the solutions of air quality monitoring and clean air machine for Yumi

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 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.

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 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.

Yumi's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Yumi

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Yumi?

The current real-time AQI (US) level in Yumi is 33 (Good) due to recent rainfall by 0.19mm/hr. This was last updated 2026-08-16 18:21:01 (Local Time).

2. When was the best AQI (US) level in Yumi in the last 24 hours?

The best AQI (US) level was 12 (Good) at 1:01 AM (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Yumi in the last 24 hours?

The worst AQI (US) level was 63 (Moderate) at 7:01 PM, Aug 15, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Yumi during last 24 hours?

The AQI (US) levels in Yumi have been fluctuating throughout the last 24 hours. The levels have increased by highest 63 at 7:01 PM, Aug 15, 2026 (Local Time), lowest 12 at 1:01 AM (Local Time).

5. What actions are recommended as per the current AQI (US) level in Yumi?

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