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Noguchihara Air Quality Index (AQI) | Air Pollution

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

Last Updated: 16 Oct 2025, 11:10am (Local Time)

Live AQI

102(AQI-US)

Air Quality is

Poor

pm10 : 36 µg/m³

PM2.5 : 36 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

25 °C

Last Updated: 16 Oct 2025, 11:10am (Local Time)

Map

Noguchihara

Major Air Pollutants
Noguchihara

Particulate Matter(PM2.5)

36µg/m³

Particulate Matter(PM10)

36µg/m³

Carbon Monoxide(CO)

314ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

16ppb

Ozone(O3)

12ppb

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AQI Graph

Historical Air Quality Data
Noguchihara

24 Hours

AQI

Noguchihara

AQI

15-10-2025Time16-10-2025

Time	Noguchihara
12 PM	52
01 PM	51
02 PM	45
03 PM	37
04 PM	38
05 PM	48
06 PM	57
07 PM	56
08 PM	56
09 PM	58
10 PM	58
11 PM	58
12 AM	61
01 AM	60
02 AM	62
03 AM	56
04 AM	60
05 AM	58
06 AM	57
07 AM	62
08 AM	65
09 AM	62
10 AM	89
11 AM	102

Min.at 3:04 PM on 15th Oct

102

Max.at 11:04 AM on 16th Oct

Want air quality data?

AQI Trends - Annual Air Quality Changes
Noguchihara, Beppu, Oita, Japan

AQI

Year

AQI

AQI	AQI
Mar 2020	36
Apr 2020	36
May 2020	36
Jun 2020	40
Jul 2020	30
Aug 2020	51
Sep 2020	24
Oct 2020	29
Nov 2020	30
Dec 2020	27
Jan 2021	30
Feb 2021	36
Mar 2021	36
Apr 2021	32
May 2021	42
Jun 2021	41
Jul 2021	34
Aug 2021	29
Sep 2021	37
Oct 2021	36
Nov 2021	37
Dec 2021	35
Jan 2022	36
Feb 2022	38
Mar 2022	44
Apr 2022	41
May 2022	48
Jun 2022	41
Jul 2022	40
Aug 2022	59
Sep 2022	32
Oct 2022	34
Nov 2022	39
Dec 2022	33
Jan 2023	38
Feb 2023	36
Mar 2023	43
Apr 2023	47
May 2023	43
Jun 2023	43
Jul 2023	35
Aug 2023	28
Sep 2023	35
Oct 2023	40
Nov 2023	40
Dec 2023	35
Jan 2024	34
Feb 2024	35
Mar 2024	40
Apr 2024	46
May 2024	43
Jun 2024	41
Jul 2024	36
Aug 2024	39
Sep 2024	36
Oct 2024	34
Nov 2024	37
Dec 2024	33
Jan 2025	43
Feb 2025	38
Mar 2025	52
Apr 2025	47
May 2025	45
Jun 2025	49
Jul 2025	47
Aug 2025	44
Sep 2025	33
Oct 2025	61

Annual AQI Trends

2020

34AQI

2021

36AQI

Rise

2022

39AQI

Rise

2023

39AQI

No Change

2024

38AQI

-3%

Fall

2025

45AQI

18%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedOctober, 202561AQI

Least PollutedSeptember, 202024AQI

* 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
Noguchihara

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 33	2 Jan 39	3 Jan 34	4 Jan 34
5 Jan 37	6 Jan 47	7 Jan 33	8 Jan 40	9 Jan 30	10 Jan 32	11 Jan 29
12 Jan 37	13 Jan 43	14 Jan 47	15 Jan 44	16 Jan 38	17 Jan 47	18 Jan 38
19 Jan 50	20 Jan 44	21 Jan 65	22 Jan 67	23 Jan 71	24 Jan 76	25 Jan 48
26 Jan 45	27 Jan 38	28 Jan 37	29 Jan 32	30 Jan 40	31 Jan 48	1 Feb 50

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 45	27 Jan 38	28 Jan 37	29 Jan 32	30 Jan 40	31 Jan 48	1 Feb 50
2 Feb 35	3 Feb 47	4 Feb 32	5 Feb 40	6 Feb 32	7 Feb 35	8 Feb 31
9 Feb 31	10 Feb 31	11 Feb 39	12 Feb 38	13 Feb 32	14 Feb 41	15 Feb 32
16 Feb 45	17 Feb 43	18 Feb 35	19 Feb 34	20 Feb 29	21 Feb 33	22 Feb 41
23 Feb 39	24 Feb 35	25 Feb 37	26 Feb 40	27 Feb 56	28 Feb 60	1 Mar 84

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 39	24 Feb 35	25 Feb 37	26 Feb 40	27 Feb 56	28 Feb 60	1 Mar 84
2 Mar 73	3 Mar 49	4 Mar 38	5 Mar 35	6 Mar 36	7 Mar 34	8 Mar 43
9 Mar 44	10 Mar 48	11 Mar 52	12 Mar 56	13 Mar 60	14 Mar 39	15 Mar 41
16 Mar 26	17 Mar 50	18 Mar 39	19 Mar 44	20 Mar 49	21 Mar 59	22 Mar 64
23 Mar 67	24 Mar 58	25 Mar 76	26 Mar 73	27 Mar 66	28 Mar 63	29 Mar 56
30 Mar 45	31 Mar 44	1 Apr 45	2 Apr 37	3 Apr 34	4 Apr 37	5 Apr 47

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 45	31 Mar 44	1 Apr 45	2 Apr 37	3 Apr 34	4 Apr 37	5 Apr 47
6 Apr 47	7 Apr 44	8 Apr 38	9 Apr 50	10 Apr 55	11 Apr 57	12 Apr 57
13 Apr 48	14 Apr 53	15 Apr 32	16 Apr 51	17 Apr 50	18 Apr 59	19 Apr 59
20 Apr 48	21 Apr 49	22 Apr 42	23 Apr 28	24 Apr 41	25 Apr 54	26 Apr 49
27 Apr 56	28 Apr 50	29 Apr 51	30 Apr 56	1 May 50	2 May 40	3 May 48

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 56	28 Apr 50	29 Apr 51	30 Apr 56	1 May 50	2 May 40	3 May 48
4 May 40	5 May 44	6 May 36	7 May 36	8 May 42	9 May 31	10 May 39
11 May 38	12 May 51	13 May 56	14 May 61	15 May 59	16 May 55	17 May 42
18 May 54	19 May 58	20 May 62	21 May 40	22 May 44	23 May 45	24 May 36
25 May 30	26 May 32	27 May 44	28 May 46	29 May 47	30 May 44	31 May 42

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 48	2 Jun 52	3 Jun 30	4 Jun 47	5 Jun 45	6 Jun 58	7 Jun 61
8 Jun 67	9 Jun 43	10 Jun 36	11 Jun 49	12 Jun 51	13 Jun 48	14 Jun 42
15 Jun 36	16 Jun 31	17 Jun 39	18 Jun 44	19 Jun 48	20 Jun 56	21 Jun 60
22 Jun 71	23 Jun 46	24 Jun 47	25 Jun 47	26 Jun 50	27 Jun 54	28 Jun 51
29 Jun 52	30 Jun 57	1 Jul 63	2 Jul 78	3 Jul 92	4 Jul 94	5 Jul 91

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 52	30 Jun 57	1 Jul 63	2 Jul 78	3 Jul 92	4 Jul 94	5 Jul 91
6 Jul 69	7 Jul 62	8 Jul 66	9 Jul 76	10 Jul 74	11 Jul 47	12 Jul 50
13 Jul 40	14 Jul 38	15 Jul 50	16 Jul 56	17 Jul 41	18 Jul 34	19 Jul 33
20 Jul 31	21 Jul 29	22 Jul 29	23 Jul 28	24 Jul 26	25 Jul 24	26 Jul 23
27 Jul 23	28 Jul 24	29 Jul 24	30 Jul 23	31 Jul 29	1 Aug 42	2 Aug 47

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 23	28 Jul 24	29 Jul 24	30 Jul 23	31 Jul 29	1 Aug 42	2 Aug 47
3 Aug 49	4 Aug 49	5 Aug 49	6 Aug 47	7 Aug 44	8 Aug 46	9 Aug 40
10 Aug 37	11 Aug 30	12 Aug 36	13 Aug 40	14 Aug 43	15 Aug 45	16 Aug 41
17 Aug 43	18 Aug 46	19 Aug 50	20 Aug 42	21 Aug 39	22 Aug 42	23 Aug 44
24 Aug 44	25 Aug 45	26 Aug 44	27 Aug 43	28 Aug 46	29 Aug 50	30 Aug 51
31 Aug 50	1 Sep 40	2 Sep 39	3 Sep 39	4 Sep 24	5 Sep 26	6 Sep 30

September

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
31 Aug 50	1 Sep 40	2 Sep 39	3 Sep 39	4 Sep 24	5 Sep 26	6 Sep 30
7 Sep 37	8 Sep 33	9 Sep 33	10 Sep 32	11 Sep 33	12 Sep 31	13 Sep 31
14 Sep 30	15 Sep 35	16 Sep 47	17 Sep 42	18 Sep 31	19 Sep 29	20 Sep 34
21 Sep 25	22 Sep 28	23 Sep 32	24 Sep 25	25 Sep 29	26 Sep 50	27 Sep 25
28 Sep 39	29 Sep 36	30 Sep 23	1 Oct 41	2 Oct 55	3 Oct 63	4 Oct 67

October

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
28 Sep 39	29 Sep 36	30 Sep 23	1 Oct 41	2 Oct 55	3 Oct 63	4 Oct 67
5 Oct 61	6 Oct 56	7 Oct 60	8 Oct 66	9 Oct 52	10 Oct 59	11 Oct 69
12 Oct 77	13 Oct 61	14 Oct 73	15 Oct 61	16 Oct -	17 Oct -	18 Oct -
19 Oct -	20 Oct -	21 Oct -	22 Oct -	23 Oct -	24 Oct -	25 Oct -
26 Oct -	27 Oct -	28 Oct -	29 Oct -	30 Oct -	31 Oct -	1 Nov -

Health Advice For People Living In
Noguchihara

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

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

Noguchihara

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

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Poor (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.

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.

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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

Kumano, Japan

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Kobayashi, Japan

Takanabe, Japan

Takaharu, Japan

10.

Takamori, Japan

Moderate

6xabove Standard

Last Updated: 16 Oct 2025, 02:15 AM

AQI City Rankings

Air Quality Solutions For Noguchihara
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 Noguchihara

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 Noguchihara

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 Noguchihara

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 Noguchihara

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.

Noguchihara'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 Noguchihara

Frequently Asked Questions About Air Quality

What is the current AQI level in Noguchihara?

The current real-time AQI level in Noguchihara is 102 (Poor). This was last updated 16 Oct 2025, 11:10am (Local Time).

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

The best AQI level was 37 (Good) at 3:04 PM, Oct 15, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 102 (Poor) at 11:04 AM (Local Time) during the last 24 hours.

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

The AQI levels in Noguchihara have been fluctuating throughout the last 24 hours. The levels have increased by highest 102 at 11:04 AM (Local Time), lowest 37 at 3:04 PM, Oct 15, 2025 (Local Time).

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

Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.