Live

Nishisanjocho Air Quality Index (AQI) | Air Pollution

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

Last Updated: 17 Jul 2025, 09:39am (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 27 µg/m³

PM2.5 : 10 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

29 °C

Last Updated: 17 Jul 2025, 09:39am (Local Time)

Map

Nishisanjocho

Major Air Pollutants
Nishisanjocho

Particulate Matter(PM2.5)

10µg/m³

Particulate Matter(PM10)

27µg/m³

Carbon Monoxide(CO)

94ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

3ppb

Ozone(O3)

19ppb

Trending in Japan

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

AQI Graph

Historical Air Quality Data
Nishisanjocho

24 Hours

AQI

Nishisanjocho

AQI

16-07-2025Time17-07-2025

Time	Nishisanjocho
10 AM	41
11 AM	40
12 PM	43
01 PM	47
02 PM	53
03 PM	55
04 PM	58
05 PM	59
06 PM	63
07 PM	66
08 PM	65
09 PM	52
10 PM	52
11 PM	51
12 AM	50
01 AM	48
02 AM	47
03 AM	47
04 AM	46
05 AM	47
06 AM	48
07 AM	47
08 AM	47
09 AM	50

Min.at 11:10 AM on 16th Jul

Max.at 7:09 PM on 16th Jul

Want air quality data?

AQI Trends - Annual Air Quality Changes
Nishisanjocho, Omura, Nagasaki, Japan

AQI

Year

AQI

AQI	AQI
Mar 2020	37
Apr 2020	41
May 2020	46
Jun 2020	40
Jul 2020	28
Aug 2020	50
Sep 2020	0
Oct 2020
Nov 2020	38
Dec 2020	37
Jan 2021	34
Feb 2021	37
Mar 2021	39
Apr 2021	37
May 2021	44
Jun 2021	45
Jul 2021	33
Aug 2021	33
Sep 2021	36
Oct 2021	43
Nov 2021	41
Dec 2021	37
Jan 2022	40
Feb 2022	42
Mar 2022	46
Apr 2022	40
May 2022	47
Jun 2022	35
Jul 2022	40
Aug 2022	57
Sep 2022	36
Oct 2022	38
Nov 2022	48
Dec 2022	39
Jan 2023	49
Feb 2023	46
Mar 2023	48
Apr 2023	48
May 2023	42
Jun 2023	40
Jul 2023	34
Aug 2023	32
Sep 2023	37
Oct 2023	37
Nov 2023	40
Dec 2023	40
Jan 2024	36
Feb 2024	37
Mar 2024	40
Apr 2024	49
May 2024	49
Jun 2024	41
Jul 2024	20
Aug 2024	37
Sep 2024	40
Oct 2024	34
Nov 2024	38
Dec 2024	35
Jan 2025	45
Feb 2025	38
Mar 2025	45
Apr 2025	43
May 2025	44
Jun 2025	34
Jul 2025	52

Annual AQI Trends

2020

39AQI

2021

38AQI

-3%

Fall

2022

41AQI

Rise

2023

41AQI

No Change

2024

38AQI

-7%

Fall

2025

42AQI

11%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202257AQI

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

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Nishisanjocho

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 33	2 Jan 42	3 Jan 36	4 Jan 35
5 Jan 32	6 Jan 48	7 Jan 30	8 Jan 38	9 Jan 29	10 Jan 31	11 Jan 28
12 Jan 33	13 Jan 41	14 Jan 45	15 Jan 43	16 Jan 38	17 Jan 50	18 Jan 56
19 Jan 52	20 Jan 59	21 Jan 82	22 Jan 79	23 Jan 71	24 Jan 77	25 Jan 47
26 Jan 45	27 Jan 39	28 Jan 36	29 Jan 32	30 Jan 35	31 Jan 44	1 Feb 40

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 45	27 Jan 39	28 Jan 36	29 Jan 32	30 Jan 35	31 Jan 44	1 Feb 40
2 Feb 33	3 Feb 46	4 Feb 31	5 Feb 40	6 Feb 31	7 Feb 35	8 Feb 31
9 Feb 30	10 Feb 31	11 Feb 43	12 Feb 36	13 Feb 34	14 Feb 36	15 Feb 31
16 Feb 36	17 Feb 47	18 Feb 41	19 Feb 36	20 Feb 35	21 Feb 34	22 Feb 41
23 Feb 38	24 Feb 38	25 Feb 36	26 Feb 43	27 Feb 63	28 Feb 59	1 Mar 52

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 38	24 Feb 38	25 Feb 36	26 Feb 43	27 Feb 63	28 Feb 59	1 Mar 52
2 Mar 39	3 Mar 40	4 Mar 28	5 Mar 31	6 Mar 30	7 Mar 34	8 Mar 40
9 Mar 45	10 Mar 48	11 Mar 46	12 Mar 49	13 Mar 54	14 Mar 37	15 Mar 32
16 Mar 30	17 Mar 47	18 Mar 44	19 Mar 47	20 Mar 53	21 Mar 56	22 Mar 63
23 Mar 59	24 Mar 49	25 Mar 61	26 Mar 58	27 Mar 45	28 Mar 58	29 Mar 52
30 Mar 40	31 Mar 41	1 Apr 42	2 Apr 34	3 Apr 34	4 Apr 35	5 Apr 41

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 40	31 Mar 41	1 Apr 42	2 Apr 34	3 Apr 34	4 Apr 35	5 Apr 41
6 Apr 40	7 Apr 40	8 Apr 36	9 Apr 53	10 Apr 42	11 Apr 59	12 Apr 50
13 Apr 49	14 Apr 55	15 Apr 35	16 Apr 49	17 Apr 44	18 Apr 51	19 Apr 49
20 Apr 37	21 Apr 41	22 Apr 30	23 Apr 25	24 Apr 32	25 Apr 46	26 Apr 45
27 Apr 48	28 Apr 41	29 Apr 51	30 Apr 50	1 May 42	2 May 40	3 May 42

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 48	28 Apr 41	29 Apr 51	30 Apr 50	1 May 42	2 May 40	3 May 42
4 May 38	5 May 43	6 May 38	7 May 37	8 May 47	9 May 37	10 May 39
11 May 49	12 May 53	13 May 57	14 May 58	15 May 57	16 May 62	17 May 38
18 May 50	19 May 51	20 May 39	21 May 29	22 May 34	23 May 42	24 May 27
25 May 33	26 May 39	27 May 45	28 May 50	29 May 52	30 May 44	31 May 42

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 50	2 Jun 48	3 Jun 36	4 Jun 44	5 Jun 45	6 Jun 43	7 Jun 55
8 Jun 63	9 Jun 32	10 Jun 29	11 Jun 38	12 Jun 37	13 Jun 36	14 Jun 28
15 Jun 28	16 Jun 30	17 Jun 27	18 Jun 31	19 Jun 33	20 Jun 30	21 Jun 26
22 Jun 21	23 Jun 19	24 Jun 22	25 Jun 23	26 Jun 25	27 Jun 25	28 Jun 26
29 Jun 25	30 Jun 37	1 Jul 52	2 Jul 59	3 Jul 63	4 Jul 65	5 Jul 56

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 25	30 Jun 37	1 Jul 52	2 Jul 59	3 Jul 63	4 Jul 65	5 Jul 56
6 Jul 49	7 Jul 47	8 Jul 54	9 Jul 57	10 Jul 54	11 Jul 46	12 Jul 46
13 Jul 44	14 Jul 39	15 Jul 45	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
Nishisanjocho

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

Nishisanjocho

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

Niimi, Japan

Moderate

4xabove Standard

Higashi Hiroshima, Japan

Niihama, Japan

Izumo, Japan

Kanonjicho, Japan

Hiroshima, Japan

Nogata, Japan

Hatsukaichi, Japan

Saijo, Japan

10.

Ishinari, Japan

Moderate

4xabove Standard

Last Updated: 17 Jul 2025, 12:53 AM

AQI City Rankings

Air Quality Solutions For Nishisanjocho
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 Nishisanjocho

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 Nishisanjocho

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 Nishisanjocho

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 Nishisanjocho

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.

Nishisanjocho'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 Nishisanjocho

Frequently Asked Questions About Air Quality

What is the current AQI level in Nishisanjocho?

The current real-time AQI level in Nishisanjocho is 52 (Moderate). This was last updated 17 Jul 2025, 09:39am (Local Time).

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

The best AQI level was 40 (Good) at 11:10 AM, Jul 16, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 66 (Moderate) at 7:09 PM, Jul 16, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Nishisanjocho have been fluctuating throughout the last 24 hours. The levels have increased by highest 66 at 7:09 PM, Jul 16, 2025 (Local Time), lowest 40 at 11:10 AM, Jul 16, 2025 (Local Time).

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

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