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Kogakuramachi Air Quality Index (AQI) | Air Pollution

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

Last Updated: 09 Jul 2025, 12:09pm (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 26 µg/m³

PM2.5 : 13 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

32 °C

Last Updated: 09 Jul 2025, 12:09pm (Local Time)

Map

Kogakuramachi

Major Air Pollutants
Kogakuramachi

Particulate Matter(PM2.5)

13µg/m³

Particulate Matter(PM10)

26µg/m³

Carbon Monoxide(CO)

235ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

29ppb

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AQI Graph

Historical Air Quality Data
Kogakuramachi

24 Hours

AQI

Kogakuramachi

AQI

08-07-2025Time09-07-2025

Time	Kogakuramachi
01 PM	53
02 PM	54
03 PM	55
04 PM	55
05 PM	56
06 PM	58
07 PM	60
08 PM	62
09 PM	56
10 PM	55
11 PM	55
12 AM	55
01 AM	55
02 AM	56
03 AM	56
04 AM	56
05 AM	56
06 AM	56
07 AM	56
08 AM	56
09 AM	49
10 AM	48
11 AM	57
12 PM	59

Min.at 10:09 AM on 9th Jul

Max.at 8:09 PM on 8th Jul

Want air quality data?

AQI Trends - Annual Air Quality Changes
Kogakuramachi, Nagasaki, Nagasaki, Japan

AQI

Year

AQI

AQI	AQI
Mar 2020	40
Apr 2020	44
May 2020	50
Jun 2020	44
Jul 2020	33
Aug 2020	50
Sep 2020	0
Oct 2020
Nov 2020	43
Dec 2020	38
Jan 2021	40
Feb 2021	39
Mar 2021	46
Apr 2021	44
May 2021	49
Jun 2021	46
Jul 2021	32
Aug 2021	38
Sep 2021	38
Oct 2021	44
Nov 2021	41
Dec 2021	34
Jan 2022	41
Feb 2022	42
Mar 2022	47
Apr 2022	42
May 2022	49
Jun 2022	37
Jul 2022	41
Aug 2022	40
Sep 2022	37
Oct 2022	39
Nov 2022	43
Dec 2022	35
Jan 2023	45
Feb 2023	41
Mar 2023	49
Apr 2023	51
May 2023	45
Jun 2023	43
Jul 2023	38
Aug 2023	34
Sep 2023	38
Oct 2023	40
Nov 2023	42
Dec 2023	38
Jan 2024	37
Feb 2024	38
Mar 2024	44
Apr 2024	50
May 2024	48
Jun 2024	42
Jul 2024	23
Aug 2024	37
Sep 2024	39
Oct 2024	35
Nov 2024	40
Dec 2024	35
Jan 2025	44
Feb 2025	38
Mar 2025	47
Apr 2025	46
May 2025	44
Jun 2025	35
Jul 2025	57

Annual AQI Trends

2020

42AQI

2021

41AQI

-2%

Fall

2022

41AQI

No Change

2023

42AQI

Rise

2024

39AQI

-7%

Fall

2025

43AQI

10%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJuly, 202557AQI

Least PollutedSeptember, 20200AQI

* This data analysis is from year 2020 - 2025

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

114

Sendai

Nishitokyo

Yokohama

105

temp.32°C

hum.67%

Air Quality Calendar 2025
Kogakuramachi

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 31	2 Jan 45	3 Jan 35	4 Jan 35
5 Jan 32	6 Jan 53	7 Jan 30	8 Jan 42	9 Jan 28	10 Jan 33	11 Jan 28
12 Jan 36	13 Jan 40	14 Jan 46	15 Jan 45	16 Jan 38	17 Jan 51	18 Jan 48
19 Jan 49	20 Jan 52	21 Jan 78	22 Jan 75	23 Jan 68	24 Jan 72	25 Jan 46
26 Jan 45	27 Jan 42	28 Jan 37	29 Jan 34	30 Jan 37	31 Jan 43	1 Feb 41

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 45	27 Jan 42	28 Jan 37	29 Jan 34	30 Jan 37	31 Jan 43	1 Feb 41
2 Feb 36	3 Feb 47	4 Feb 31	5 Feb 41	6 Feb 31	7 Feb 39	8 Feb 30
9 Feb 31	10 Feb 29	11 Feb 42	12 Feb 36	13 Feb 33	14 Feb 38	15 Feb 31
16 Feb 37	17 Feb 40	18 Feb 34	19 Feb 35	20 Feb 33	21 Feb 33	22 Feb 44
23 Feb 37	24 Feb 40	25 Feb 38	26 Feb 43	27 Feb 62	28 Feb 56	1 Mar 53

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 37	24 Feb 40	25 Feb 38	26 Feb 43	27 Feb 62	28 Feb 56	1 Mar 53
2 Mar 43	3 Mar 41	4 Mar 30	5 Mar 32	6 Mar 31	7 Mar 35	8 Mar 39
9 Mar 45	10 Mar 48	11 Mar 49	12 Mar 50	13 Mar 56	14 Mar 41	15 Mar 32
16 Mar 35	17 Mar 50	18 Mar 50	19 Mar 54	20 Mar 55	21 Mar 60	22 Mar 66
23 Mar 59	24 Mar 48	25 Mar 62	26 Mar 54	27 Mar 44	28 Mar 59	29 Mar 54
30 Mar 45	31 Mar 45	1 Apr 45	2 Apr 39	3 Apr 42	4 Apr 39	5 Apr 45

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 45	31 Mar 45	1 Apr 45	2 Apr 39	3 Apr 42	4 Apr 39	5 Apr 45
6 Apr 44	7 Apr 46	8 Apr 41	9 Apr 54	10 Apr 44	11 Apr 61	12 Apr 52
13 Apr 54	14 Apr 59	15 Apr 39	16 Apr 55	17 Apr 46	18 Apr 55	19 Apr 50
20 Apr 36	21 Apr 43	22 Apr 30	23 Apr 29	24 Apr 35	25 Apr 48	26 Apr 48
27 Apr 51	28 Apr 42	29 Apr 52	30 Apr 52	1 May 44	2 May 44	3 May 43

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 51	28 Apr 42	29 Apr 52	30 Apr 52	1 May 44	2 May 44	3 May 43
4 May 43	5 May 44	6 May 39	7 May 39	8 May 47	9 May 32	10 May 40
11 May 49	12 May 54	13 May 58	14 May 58	15 May 56	16 May 60	17 May 38
18 May 49	19 May 52	20 May 38	21 May 28	22 May 37	23 May 43	24 May 28
25 May 36	26 May 40	27 May 46	28 May 50	29 May 53	30 May 46	31 May 45

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 52	2 Jun 45	3 Jun 40	4 Jun 48	5 Jun 48	6 Jun 47	7 Jun 54
8 Jun 60	9 Jun 31	10 Jun 29	11 Jun 34	12 Jun 35	13 Jun 39	14 Jun 32
15 Jun 32	16 Jun 34	17 Jun 30	18 Jun 33	19 Jun 33	20 Jun 31	21 Jun 28
22 Jun 23	23 Jun 20	24 Jun 23	25 Jun 24	26 Jun 26	27 Jun 26	28 Jun 25
29 Jun 25	30 Jun 32	1 Jul 47	2 Jul 63	3 Jul 65	4 Jul 68	5 Jul 57

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 25	30 Jun 32	1 Jul 47	2 Jul 63	3 Jul 65	4 Jul 68	5 Jul 57
6 Jul 53	7 Jul 50	8 Jul 55	9 Jul -	10 Jul -	11 Jul -	12 Jul -
13 Jul -	14 Jul -	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
Kogakuramachi

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

Kogakuramachi

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

Kanie, Japan

Kiyosu, Japan

Chiryu, Japan

Inazawa, Japan

Nagoya, Japan

Tsushima, Japan

Nisshin, Japan

Kasugai, Japan

Owariasahi, Japan

10.

Anjomachi, Japan

Poor

9xabove Standard

Last Updated: 09 Jul 2025, 03:18 AM

AQI City Rankings

Air Quality Solutions For Kogakuramachi
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 Kogakuramachi

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 Kogakuramachi

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 Kogakuramachi

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 Kogakuramachi

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.

Kogakuramachi'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 Kogakuramachi

Frequently Asked Questions About Air Quality

What is the current AQI level in Kogakuramachi?

The current real-time AQI level in Kogakuramachi is 59 (Moderate) due to recent rainfall by 0.34mm/hr. This was last updated 09 Jul 2025, 12:09pm (Local Time).

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

The best AQI level was 48 (Good) at 10:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 62 (Moderate) at 8:09 PM, Jul 8, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Kogakuramachi have been fluctuating throughout the last 24 hours. The levels have increased by highest 62 at 8:09 PM, Jul 8, 2025 (Local Time), lowest 48 at 10:09 AM (Local Time).

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

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