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Saiki Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-07-12 07:39:57 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 18 µg/m³

PM2.5 : 7 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

26 °C

Last Updated: 2025-07-12 07:39:57 PM (Local Time)

Map

Saiki

Major Air Pollutants
Saiki

Particulate Matter(PM2.5)

7µg/m³

Particulate Matter(PM10)

18µg/m³

Carbon Monoxide(CO)

74ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

2ppb

Ozone(O3)

18ppb

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AQI Graph

Historical Air Quality Data
Saiki

24 Hours

AQI

Saiki

AQI

11-07-2025Time12-07-2025

Time	Saiki
07 PM	38
08 PM	44
09 PM	61
10 PM	61
11 PM	61
12 AM	60
01 AM	62
02 AM	65
03 AM	68
04 AM	66
05 AM	64
06 AM	64
07 AM	64
08 AM	64
09 AM	28
10 AM	16
11 AM	18
12 PM	20
01 PM	41
02 PM	40
03 PM	41
04 PM	40
05 PM	45
06 PM	43
07 PM	42

Min.at 10:10 AM on 12th Jul

Max.at 3:09 AM on 12th Jul

Want air quality data?

AQI Trends - Annual Air Quality Changes
Saiki, Oita, Japan

AQI

Year

AQI

AQI	AQI
Mar 2020	45
Apr 2020	46
May 2020	42
Jun 2020	46
Jul 2020	37
Aug 2020	59
Sep 2020	38
Oct 2020	37
Nov 2020	37
Dec 2020	37
Jan 2021	36
Feb 2021	41
Mar 2021	43
Apr 2021	40
May 2021	46
Jun 2021	46
Jul 2021	34
Aug 2021	32
Sep 2021	41
Oct 2021	36
Nov 2021	39
Dec 2021	39
Jan 2022	40
Feb 2022	41
Mar 2022	49
Apr 2022	44
May 2022	49
Jun 2022	45
Jul 2022	45
Aug 2022	50
Sep 2022	40
Oct 2022	39
Nov 2022	44
Dec 2022	36
Jan 2023	39
Feb 2023	40
Mar 2023	44
Apr 2023	49
May 2023	44
Jun 2023	45
Jul 2023	39
Aug 2023	30
Sep 2023	37
Oct 2023	42
Nov 2023	41
Dec 2023	37
Jan 2024	36
Feb 2024	37
Mar 2024	42
Apr 2024	45
May 2024	43
Jun 2024	39
Jul 2024	40
Aug 2024	49
Sep 2024	41
Oct 2024	34
Nov 2024	36
Dec 2024	32
Jan 2025	39
Feb 2025	37
Mar 2025	47
Apr 2025	45
May 2025	42
Jun 2025	41
Jul 2025	78

Annual AQI Trends

2020

42AQI

2021

39AQI

-7%

Fall

2022

43AQI

10%

Rise

2023

41AQI

-5%

Fall

2024

39AQI

-5%

Fall

2025

44AQI

13%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJuly, 202578AQI

Least PollutedAugust, 202330AQI

* This data analysis is from year 2020 - 2025

Saiki's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Nagashimamachi

Good

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Saiki

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 30	2 Jan 35	3 Jan 33	4 Jan 32
5 Jan 31	6 Jan 41	7 Jan 31	8 Jan 37	9 Jan 29	10 Jan 30	11 Jan 28
12 Jan 33	13 Jan 43	14 Jan 41	15 Jan 44	16 Jan 36	17 Jan 43	18 Jan 33
19 Jan 41	20 Jan 35	21 Jan 56	22 Jan 62	23 Jan 62	24 Jan 70	25 Jan 45
26 Jan 43	27 Jan 34	28 Jan 34	29 Jan 31	30 Jan 35	31 Jan 44	1 Feb 42

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 43	27 Jan 34	28 Jan 34	29 Jan 31	30 Jan 35	31 Jan 44	1 Feb 42
2 Feb 33	3 Feb 42	4 Feb 31	5 Feb 37	6 Feb 31	7 Feb 33	8 Feb 30
9 Feb 30	10 Feb 31	11 Feb 35	12 Feb 35	13 Feb 31	14 Feb 38	15 Feb 32
16 Feb 36	17 Feb 44	18 Feb 32	19 Feb 37	20 Feb 32	21 Feb 37	22 Feb 39
23 Feb 37	24 Feb 35	25 Feb 34	26 Feb 41	27 Feb 58	28 Feb 54	1 Mar 68

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 37	24 Feb 35	25 Feb 34	26 Feb 41	27 Feb 58	28 Feb 54	1 Mar 68
2 Mar 70	3 Mar 47	4 Mar 35	5 Mar 31	6 Mar 35	7 Mar 32	8 Mar 41
9 Mar 39	10 Mar 41	11 Mar 41	12 Mar 42	13 Mar 55	14 Mar 40	15 Mar 39
16 Mar 26	17 Mar 50	18 Mar 37	19 Mar 45	20 Mar 45	21 Mar 56	22 Mar 58
23 Mar 61	24 Mar 57	25 Mar 69	26 Mar 68	27 Mar 50	28 Mar 59	29 Mar 50
30 Mar 43	31 Mar 40	1 Apr 45	2 Apr 35	3 Apr 34	4 Apr 35	5 Apr 42

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 43	31 Mar 40	1 Apr 45	2 Apr 35	3 Apr 34	4 Apr 35	5 Apr 42
6 Apr 46	7 Apr 33	8 Apr 38	9 Apr 56	10 Apr 50	11 Apr 57	12 Apr 56
13 Apr 48	14 Apr 53	15 Apr 30	16 Apr 44	17 Apr 46	18 Apr 55	19 Apr 51
20 Apr 37	21 Apr 44	22 Apr 33	23 Apr 33	24 Apr 38	25 Apr 52	26 Apr 53
27 Apr 51	28 Apr 50	29 Apr 50	30 Apr 51	1 May 46	2 May 38	3 May 44

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 51	28 Apr 50	29 Apr 50	30 Apr 51	1 May 46	2 May 38	3 May 44
4 May 41	5 May 41	6 May 32	7 May 35	8 May 37	9 May 32	10 May 38
11 May 36	12 May 50	13 May 55	14 May 58	15 May 54	16 May 50	17 May 43
18 May 50	19 May 57	20 May 58	21 May 34	22 May 43	23 May 42	24 May 30
25 May 33	26 May 33	27 May 40	28 May 38	29 May 33	30 May 40	31 May 40

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 47	2 Jun 48	3 Jun 33	4 Jun 47	5 Jun 46	6 Jun 54	7 Jun 56
8 Jun 57	9 Jun 32	10 Jun 37	11 Jun 34	12 Jun 42	13 Jun 42	14 Jun 34
15 Jun 30	16 Jun 30	17 Jun 35	18 Jun 39	19 Jun 41	20 Jun 50	21 Jun 49
22 Jun 42	23 Jun 38	24 Jun 35	25 Jun 35	26 Jun 38	27 Jun 39	28 Jun 40
29 Jun 42	30 Jun 47	1 Jul 53	2 Jul 73	3 Jul 94	4 Jul 102	5 Jul 96

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 42	30 Jun 47	1 Jul 53	2 Jul 73	3 Jul 94	4 Jul 102	5 Jul 96
6 Jul 80	7 Jul 71	8 Jul 71	9 Jul 76	10 Jul 66	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
Saiki

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

Saiki

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

Matsuyama, Japan

Masaki, Japan

Ozu, Japan

Imabari, Japan

Saijo, Japan

Chigasaki, Japan

Atsugicho, Japan

Suzukawa, Japan

Yato, Japan

10.

Niihama, Japan

Moderate

4xabove Standard

Last Updated: 12 Jul 2025, 10:51 AM

AQI City Rankings

Air Quality Solutions For Saiki
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 Saiki

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 Saiki

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 Saiki

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 Saiki

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.

Saiki'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 Saiki

Frequently Asked Questions About Air Quality

What is the current AQI level in Saiki?

The current real-time AQI level in Saiki is 39 (Good) due to recent rainfall by 0.19mm/hr. This was last updated 2025-07-12 07:39:57 PM (Local Time).

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

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

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

The worst AQI level was 68 (Moderate) at 3:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Saiki have been fluctuating throughout the last 24 hours. The levels have increased by highest 68 at 3:09 AM (Local Time), lowest 16 at 10:10 AM (Local Time).

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

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