AQI PM2.5 PM10 CO SO2 NO2 O3

Live

Hagi Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-24 12:39:13 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 11 µg/m³

PM2.5 : 6 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

19 °C

Last Updated: 2025-05-24 12:39:13 PM (Local Time)

Map

Hagi

Major Air Pollutants
Hagi

Particulate Matter(PM2.5)

6µg/m³

Particulate Matter(PM10)

11µg/m³

Carbon Monoxide(CO)

210ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

25ppb

Trending in Japan

The Mask Returns: COVID Cases Spike in Singapore, Hong Kong, and India

Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

Methane Emissions from Delhi’s Landfills: An Invisible Threat

Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

IS AIR POLLUTION SOLELY OUR FAULT? DEBUNKING THE MYTH WITH HARD TRUTH

From Smog to Songbirds: How the U.S. Clean Air Act Cleared the Skies

Two Worlds, One Breath: World Asthma Day 2025 and the Link Between Air Pollution and Asthma

Case Study : How Prana Air Helped the American School of Bombay in Improving Air Quality?

Why Air Quality Monitoring is Essential for Sustainable Development: Key Insights

Understand the Indoor Air Quality in Schools: Is Your Child Breathing Safe Air?

Sleep Interrupted: How Air Pollution Steals Your Res

Understanding the AQI: What the Air You Breathe Means for Your Health

AQI Graph

Historical Air Quality Data
Hagi

24 Hours

AQI

Hagi

Want air quality data?

AQI Trends - Annual Air Quality Changes
Hagi, Yamaguchi, Japan

AQI

Year

AQI

Annual AQI Trends

2020

36AQI

2021

42AQI

17%

Rise

2022

39AQI

-7%

Fall

2023

38AQI

-3%

Fall

2024

35AQI

-8%

Fall

2025

40AQI

14%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202063AQI

Least PollutedJuly, 202425AQI

* This data analysis is from year 2020 - 2025

Hagi's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Emukai

Good

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Hagi

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 29	2 Jan 33	3 Jan 32	4 Jan 31
5 Jan 28	6 Jan 42	7 Jan 31	8 Jan 34	9 Jan 29	10 Jan 28	11 Jan 28
12 Jan 30	13 Jan 38	14 Jan 42	15 Jan 36	16 Jan 32	17 Jan 32	18 Jan 30
19 Jan 39	20 Jan 36	21 Jan 43	22 Jan 53	23 Jan 65	24 Jan 55	25 Jan 44
26 Jan 39	27 Jan 34	28 Jan 34	29 Jan 31	30 Jan 40	31 Jan 44	1 Feb 43

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 39	27 Jan 34	28 Jan 34	29 Jan 31	30 Jan 40	31 Jan 44	1 Feb 43
2 Feb 34	3 Feb 44	4 Feb 32	5 Feb 36	6 Feb 32	7 Feb 32	8 Feb 31
9 Feb 30	10 Feb 31	11 Feb 34	12 Feb 31	13 Feb 32	14 Feb 34	15 Feb 31
16 Feb 34	17 Feb 38	18 Feb 33	19 Feb 35	20 Feb 33	21 Feb 33	22 Feb 36
23 Feb 34	24 Feb 37	25 Feb 35	26 Feb 46	27 Feb 46	28 Feb 52	1 Mar 54

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 34	24 Feb 37	25 Feb 35	26 Feb 46	27 Feb 46	28 Feb 52	1 Mar 54
2 Mar 44	3 Mar 42	4 Mar 35	5 Mar 32	6 Mar 34	7 Mar 35	8 Mar 34
9 Mar 38	10 Mar 38	11 Mar 40	12 Mar 44	13 Mar 44	14 Mar 34	15 Mar 31
16 Mar 21	17 Mar 32	18 Mar 33	19 Mar 39	20 Mar 47	21 Mar 52	22 Mar 63
23 Mar 62	24 Mar 59	25 Mar 70	26 Mar 73	27 Mar 60	28 Mar 60	29 Mar 45
30 Mar 39	31 Mar 36	1 Apr 37	2 Apr 31	3 Apr 25	4 Apr 29	5 Apr 33

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 39	31 Mar 36	1 Apr 37	2 Apr 31	3 Apr 25	4 Apr 29	5 Apr 33
6 Apr 40	7 Apr 34	8 Apr 33	9 Apr 53	10 Apr 49	11 Apr 55	12 Apr 50
13 Apr 45	14 Apr 42	15 Apr 31	16 Apr 47	17 Apr 43	18 Apr 51	19 Apr 51
20 Apr 37	21 Apr 35	22 Apr 31	23 Apr 21	24 Apr 33	25 Apr 59	26 Apr 48
27 Apr 50	28 Apr 43	29 Apr 46	30 Apr 48	1 May 45	2 May 41	3 May 43

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 50	28 Apr 43	29 Apr 46	30 Apr 48	1 May 45	2 May 41	3 May 43
4 May 38	5 May 38	6 May 31	7 May 31	8 May 33	9 May 29	10 May 30
11 May 43	12 May 51	13 May 53	14 May 59	15 May 56	16 May 52	17 May 37
18 May 48	19 May 55	20 May 54	21 May 41	22 May 38	23 May -	24 May -
25 May -	26 May -	27 May -	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Hagi

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 Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Hagi

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

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

Keep track of air quality to plan outdoor activities safely.
Drink water to keep airways moist and reduce irritation.
Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

Skip medications that is prescribed by your doctor.
Engage in outdoor activities in early morning during high pollen hours.

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

Kasamatsucho, Japan

Kurobeshin, Japan

Hashima, Japan

Ogaki, Japan

Gifu, Japan

Yorii, Japan

Takanabe, Japan

Yokkaichi, Japan

Kitagata, Japan

10.

Kuwana, Japan

Moderate

4xabove Standard

Last Updated: 24 May 2025, 10:44 AM

AQI City Rankings

Air Quality Solutions For Hagi
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 Hagi

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 Hagi

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 Hagi

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 Hagi

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.

Hagi'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 Hagi

Frequently Asked Questions About Air Quality

What is the current AQI level in Hagi?

The current real-time AQI level in Hagi is 34 (Good) due to recent rainfall by 1.79mm/hr. This was last updated 2025-05-24 12:39:13 PM (Local Time).

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

The best AQI level was 13 (Good) at 5:09 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 52 (Moderate) at 7:54 PM, May 23, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Hagi have been fluctuating throughout the last 24 hours. The levels have increased by highest 52 at 7:54 PM, May 23, 2025 (Local Time), lowest 13 at 5:09 PM (Local Time).

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

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