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Japan Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2 minutes ago (Local Time)

location image
Live AQI
51(AQI-US)
Air Quality is
Moderate
pm10 :  26 µg/m³
PM2.5 :  11 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Japan
light drizzle

14 °C

Light drizzle
Humidity
Humidity96 %
Wind Speed
Wind Speed25 km/h
UV Index
UV Index0
Last Updated: 2 minutes ago (Local Time)
Map

Japan

Major Air Pollutants

Japan

PM2.5's Icon

Particulate Matter(PM2.5)

11µg/m³

PM10's Icon

Particulate Matter(PM10)

26µg/m³

CO's Icon

Carbon Monoxide(CO)

89ppb

SO2's Icon

Sulfur Dioxide(SO2)

2ppb

NO2's Icon

Nitrogen Dioxide(NO2)

4ppb

O3's Icon

Ozone(O3)

28ppb

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AQI Graph

Historical Air Quality Data

Japan

24 Hours
AQI
Japan
AQI
.
25-08-2025Time26-08-2025
48
Min.at 10:10 PM on 25th Aug
60
Max.at 4:55 PM on 25th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

Japan's States

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
57
12
28
32
65
Good
45
8
22
30
70
Good
42
8
21
30
72
Moderate
53
10
27
33
64
Good
48
9
32
31
68
Moderate
59
13
27
32
64
Good
41
7
22
31
70
Good
49
9
24
31
69
Moderate
59
14
28
32
63
Moderate
52
10
24
30
66
Good
47
9
28
31
71
Good
34
6
19
26
79
Moderate
62
15
32
32
64
Good
50
9
24
32
67
Moderate
58
13
25
31
66
Good
43
8
22
30
75
Moderate
61
14
35
32
66
Good
33
6
13
31
65
Moderate
54
11
28
32
65
Moderate
54
12
31
32
66
Good
32
6
11
31
67
Moderate
61
14
30
32
67
Moderate
60
14
30
32
65
Good
47
9
24
31
72
Good
34
6
15
31
67
Moderate
55
11
24
28
61
Good
29
5
13
31
69
Moderate
62
15
30
31
66
Moderate
52
10
26
31
67
Good
37
7
15
31
69
Moderate
60
14
34
32
65
Good
22
4
12
31
72
Moderate
62
15
30
32
64
Good
32
6
13
32
66
Moderate
51
10
25
32
65
Moderate
60
14
30
32
68
Good
40
7
28
31
70
Moderate
54
11
27
32
66
Good
49
9
24
31
69
Moderate
61
15
34
32
64
Moderate
52
10
27
32
68
Moderate
58
13
38
33
66
Moderate
59
13
26
32
64
Moderate
61
15
32
32
65
Good
49
9
24
30
71
Good
40
7
22
31
72
Moderate
57
12
29
31
59

Japan's Metro Cities

Air Quality Index

Aomori City AQI

Aomori

43

temp.29°C
hum.70%
Higashi Hiroshima City AQI

Higashi Hiroshima

49

temp.30°C
hum.75%
Higashi Osaka City AQI

Higashi Osaka

62

temp.33°C
hum.59%
Kyoto City AQI

Kyoto

59

temp.34°C
hum.47%
Saitama City AQI

Saitama

50

temp.34°C
hum.56%
Sendai City AQI

Sendai

48

temp.30°C
hum.79%
Tokyo City AQI

Tokyo

52

temp.34°C
hum.56%
Yokohama City AQI

Yokohama

54

temp.32°C
hum.63%

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

Follow

1.

Aioi, Japan

68
Moderate
5xabove Standard

2.

Matsuzaka, Japan

67
Moderate
4xabove Standard

3.

Kurayoshi, Japan

66
Moderate
4xabove Standard

4.

Shima, Japan

65
Moderate
4xabove Standard

5.

Ayabe, Japan

65
Moderate
4xabove Standard

6.

Tsu, Japan

64
Moderate
4xabove Standard

7.

Toyooka, Japan

64
Moderate
4xabove Standard

8.

Nyuzen, Japan

64
Moderate
4xabove Standard

9.

Minamisuita, Japan

63
Moderate
4xabove Standard

10.

Nakai, Japan

63
Moderate
4xabove Standard

Last Updated: 26 Aug 2025, 07:43 AM

AQI City Rankings

Air Quality Solutions For Japan

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

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Japan

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 for Japan

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 Japan

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 for Japan

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 for Japan

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 for Japan

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 for Japan

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 for Japan

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 for Japan

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 Japan

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 for Japan

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 for Japan

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 Japan

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 for Japan

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 for Japan

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 for Japan

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.

Japan's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Japan
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.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Japan

Frequently Asked Questions About Air Quality

What is the current AQI level in Japan?

The current real-time AQI level in Japan is 51 (Moderate) due to recent rainfall by 0.49mm/hr. This was last updated 2 minutes ago (Local Time).

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

The best AQI level was 48 (Good) at 10:10 PM, Aug 25, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 60 (Moderate) at 4:55 PM, Aug 25, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Japan have been fluctuating throughout the last 24 hours. The levels have increased by highest 60 at 4:55 PM, Aug 25, 2025 (Local Time), lowest 48 at 10:10 PM, Aug 25, 2025 (Local Time).

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

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

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
Prana Air Logo

Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

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Prana Air Logo

Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor