AQI PM2.5 PM10 CO SO2 NO2 O3

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Okayama Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-04 03:40:00 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 19 µg/m³

PM2.5 : 9 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

26 °C

Last Updated: 2025-06-04 03:40:00 PM (Local Time)

Map

Okayama

Major Air Pollutants
Okayama

Particulate Matter(PM2.5)

9µg/m³

Particulate Matter(PM10)

19µg/m³

Carbon Monoxide(CO)

238ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

15ppb

Ozone(O3)

38ppb

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AQI Graph

Historical Air Quality Data
Okayama

24 Hours

AQI

Okayama

Want air quality data?

AQI Trends - Annual Air Quality Changes
Okayama, Okayama, Japan

AQI

Year

AQI

Annual AQI Trends

2020

35AQI

2023

49AQI

40%

Rise

2024

42AQI

-14%

Fall

2025

48AQI

14%

Rise

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

13%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 202553AQI

Least PollutedDecember, 202435AQI

* This data analysis is from year 2020 - 2025

Okayama's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Daiku

Moderate

Enami

Moderate

Minamigata

Moderate

Nagaoka

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Nishitokyo

Yokohama

Air Quality Calendar 2025
Okayama

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 39	2 Jan 47	3 Jan 41	4 Jan 34
5 Jan 37	6 Jan 47	7 Jan 34	8 Jan 36	9 Jan 30	10 Jan 29	11 Jan 30
12 Jan 34	13 Jan 37	14 Jan 50	15 Jan 41	16 Jan 39	17 Jan 33	18 Jan 37
19 Jan 45	20 Jan 51	21 Jan 47	22 Jan 67	23 Jan 84	24 Jan 73	25 Jan 49
26 Jan 44	27 Jan 38	28 Jan 39	29 Jan 32	30 Jan 45	31 Jan 66	1 Feb 73

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 44	27 Jan 38	28 Jan 39	29 Jan 32	30 Jan 45	31 Jan 66	1 Feb 73
2 Feb 47	3 Feb 56	4 Feb 40	5 Feb 40	6 Feb 33	7 Feb 39	8 Feb 31
9 Feb 32	10 Feb 32	11 Feb 33	12 Feb 43	13 Feb 31	14 Feb 46	15 Feb 30
16 Feb 58	17 Feb 41	18 Feb 40	19 Feb 35	20 Feb 34	21 Feb 32	22 Feb 35
23 Feb 33	24 Feb 35	25 Feb 41	26 Feb 40	27 Feb 69	28 Feb 76	1 Mar 101

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 33	24 Feb 35	25 Feb 41	26 Feb 40	27 Feb 69	28 Feb 76	1 Mar 101
2 Mar 103	3 Mar 58	4 Mar 49	5 Mar 35	6 Mar 40	7 Mar 36	8 Mar 42
9 Mar 41	10 Mar 45	11 Mar 43	12 Mar 56	13 Mar 55	14 Mar 48	15 Mar 39
16 Mar 26	17 Mar 38	18 Mar 34	19 Mar 38	20 Mar 50	21 Mar 59	22 Mar 66
23 Mar 72	24 Mar 75	25 Mar 68	26 Mar 61	27 Mar 58	28 Mar 51	29 Mar 51
30 Mar 48	31 Mar 48	1 Apr 46	2 Apr 46	3 Apr 42	4 Apr 47	5 Apr 48

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 48	31 Mar 48	1 Apr 46	2 Apr 46	3 Apr 42	4 Apr 47	5 Apr 48
6 Apr 52	7 Apr 51	8 Apr 51	9 Apr 54	10 Apr 54	11 Apr 54	12 Apr 52
13 Apr 49	14 Apr 51	15 Apr 43	16 Apr 51	17 Apr 50	18 Apr 54	19 Apr 54
20 Apr 53	21 Apr 49	22 Apr 50	23 Apr 50	24 Apr 47	25 Apr 56	26 Apr 55
27 Apr 54	28 Apr 52	29 Apr 51	30 Apr 55	1 May 54	2 May 49	3 May 52

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 54	28 Apr 52	29 Apr 51	30 Apr 55	1 May 54	2 May 49	3 May 52
4 May 47	5 May 48	6 May 44	7 May 46	8 May 43	9 May 47	10 May 45
11 May 47	12 May 52	13 May 55	14 May 56	15 May 54	16 May 53	17 May 49
18 May 52	19 May 54	20 May 56	21 May 51	22 May 46	23 May 52	24 May 46
25 May 42	26 May 42	27 May 45	28 May 45	29 May 47	30 May 45	31 May 46

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 50	2 Jun 53	3 Jun 47	4 Jun -	5 Jun -	6 Jun -	7 Jun -
8 Jun -	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Okayama

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.

Prevent Health Problems: Understand Your Risks

Okayama

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

Kyoto, Japan

Moriyama, Japan

Kuwana, Japan

Uji, Japan

Otsu, Japan

Sakura, Japan

Takaoka, Japan

Inabe, Japan

Kusatsu, Japan

10.

Yachiyo, Japan

Moderate

4xabove Standard

Last Updated: 04 Jun 2025, 07:36 AM

AQI City Rankings

Air Quality Solutions For Okayama
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 Okayama

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 Okayama

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 Okayama

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 Okayama

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.

Okayama'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

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 Okayama

Frequently Asked Questions About Air Quality

What is the current AQI level in Okayama?

The current real-time AQI level in Okayama is 52 (Moderate). This was last updated 2025-06-04 03:40:00 PM (Local Time).

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

The best AQI level was 41 (Good) at 11:09 PM, Jun 3, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 57 (Moderate) at 7:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Okayama have been fluctuating throughout the last 24 hours. The levels have increased by highest 57 at 7:09 AM (Local Time), lowest 41 at 11:09 PM, Jun 3, 2025 (Local Time).

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

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