AQI PM2.5 PM10 CO SO2 NO2 O3

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Katsushika Air Quality Index (AQI) | Air Pollution

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

Last Updated: 25 May 2025, 01:24am (Local Time)

Live AQI

Air Quality is

Good

pm10 : 12 µg/m³

PM2.5 : 5 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

17 °C

Last Updated: 25 May 2025, 01:24am (Local Time)

Map

Katsushika

Major Air Pollutants
Katsushika

Particulate Matter(PM2.5)

5µg/m³

Particulate Matter(PM10)

12µg/m³

Carbon Monoxide(CO)

104ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data
Katsushika

24 Hours

AQI

Katsushika

Want air quality data?

AQI Trends - Annual Air Quality Changes
Katsushika, Matsudo, Chiba, Japan

AQI

Year

AQI

Annual AQI Trends

2020

15AQI

2021

25AQI

67%

Rise

2022

31AQI

24%

Rise

2023

30AQI

-3%

Fall

2024

32AQI

Rise

2025

27AQI

-16%

Fall

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

16%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedApril, 202342AQI

Least PollutedSeptember, 202010AQI

* This data analysis is from year 2020 - 2025

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Air Quality Index

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Yokohama

Air Quality Calendar 2025
Katsushika

2025

AQI

January

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

February

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

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 32	24 Feb 33	25 Feb 32	26 Feb 34	27 Feb 37	28 Feb 41	1 Mar 43
2 Mar 49	3 Mar 35	4 Mar 34	5 Mar 25	6 Mar 31	7 Mar 31	8 Mar 31
9 Mar 34	10 Mar 33	11 Mar 30	12 Mar 35	13 Mar 32	14 Mar 26	15 Mar 21
16 Mar 19	17 Mar 16	18 Mar 16	19 Mar 14	20 Mar 17	21 Mar 26	22 Mar 30
23 Mar 32	24 Mar 30	25 Mar 51	26 Mar 64	27 Mar 60	28 Mar 40	29 Mar 32
30 Mar 38	31 Mar 30	1 Apr 25	2 Apr 21	3 Apr 18	4 Apr 20	5 Apr 18

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 38	31 Mar 30	1 Apr 25	2 Apr 21	3 Apr 18	4 Apr 20	5 Apr 18
6 Apr 15	7 Apr 17	8 Apr 20	9 Apr 17	10 Apr 22	11 Apr 22	12 Apr 20
13 Apr 19	14 Apr 23	15 Apr 21	16 Apr 19	17 Apr 24	18 Apr 27	19 Apr 33
20 Apr 26	21 Apr 23	22 Apr 21	23 Apr 16	24 Apr 18	25 Apr 20	26 Apr 20
27 Apr 21	28 Apr 21	29 Apr 15	30 Apr 20	1 May 19	2 May 17	3 May 16

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 21	28 Apr 21	29 Apr 15	30 Apr 20	1 May 19	2 May 17	3 May 16
4 May 20	5 May 18	6 May 17	7 May 15	8 May 16	9 May 17	10 May 15
11 May 17	12 May 16	13 May 17	14 May 18	15 May 19	16 May 19	17 May 19
18 May 22	19 May 21	20 May 32	21 May 27	22 May 25	23 May -	24 May -
25 May -	26 May -	27 May -	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Katsushika

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

Katsushika

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

Maebashi, Japan

Suwa, Japan

Omachi, Japan

Awara, Japan

Minamiozuma, Japan

Fukayacho, Japan

Sabae, Japan

Nagano, Japan

Kumagaya, Japan

10.

Sakaki, Japan

Moderate

4xabove Standard

Last Updated: 24 May 2025, 07:01 PM

AQI City Rankings

Air Quality Solutions For Katsushika
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 Katsushika

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 Katsushika

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 Katsushika

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 Katsushika

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.

Katsushika'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 Katsushika

Frequently Asked Questions About Air Quality

What is the current AQI level in Katsushika?

The current real-time AQI level in Katsushika is 29 (Good) due to recent rainfall by 0.24mm/hr. This was last updated 25 May 2025, 01:24am (Local Time).

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

The best AQI level was 11 (Good) at 9:09 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 28 (Good) at 5:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Katsushika have been fluctuating throughout the last 24 hours. The levels have increased by highest 28 at 5:09 AM (Local Time), lowest 11 at 9:09 PM (Local Time).

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

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