AQI PM2.5 PM10 CO SO2 NO2 O3

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Koshigaya Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-29 09:54:44 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 12 µg/m³

PM2.5 : 6 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

19 °C

Last Updated: 2025-05-29 09:54:44 PM (Local Time)

Map

Koshigaya

Major Air Pollutants
Koshigaya

Particulate Matter(PM2.5)

6µg/m³

Particulate Matter(PM10)

12µg/m³

Carbon Monoxide(CO)

178ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

8ppb

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data
Koshigaya

24 Hours

AQI

Koshigaya

Want air quality data?

AQI Trends - Annual Air Quality Changes
Koshigaya, Saitama, Japan

AQI

Year

AQI

Annual AQI Trends

2020

38AQI

2021

40AQI

Rise

2022

42AQI

Rise

2023

43AQI

Rise

2024

39AQI

-9%

Fall

2025

39AQI

No Change

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedApril, 202450AQI

Least PollutedAugust, 202224AQI

* This data analysis is from year 2020 - 2025

Koshigaya's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Higashikoshigaya

Good

Sasakubo

Good

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Nishitokyo

Yokohama

Air Quality Calendar 2025
Koshigaya

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 35	2 Jan 36	3 Jan 26	4 Jan 31
5 Jan 38	6 Jan 57	7 Jan 33	8 Jan 36	9 Jan 35	10 Jan 30	11 Jan 30
12 Jan 46	13 Jan 32	14 Jan 44	15 Jan 40	16 Jan 37	17 Jan 34	18 Jan 37
19 Jan 53	20 Jan 43	21 Jan 46	22 Jan 43	23 Jan 53	24 Jan 49	25 Jan 44
26 Jan 36	27 Jan 41	28 Jan 46	29 Jan 34	30 Jan 36	31 Jan 29	1 Feb 47

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 36	27 Jan 41	28 Jan 46	29 Jan 34	30 Jan 36	31 Jan 29	1 Feb 47
2 Feb 37	3 Feb 44	4 Feb 33	5 Feb 33	6 Feb 28	7 Feb 30	8 Feb 29
9 Feb 29	10 Feb 29	11 Feb 32	12 Feb 45	13 Feb 41	14 Feb 36	15 Feb 38
16 Feb 43	17 Feb 38	18 Feb 34	19 Feb 31	20 Feb 30	21 Feb 30	22 Feb 30
23 Feb 31	24 Feb 32	25 Feb 33	26 Feb 40	27 Feb 42	28 Feb 54	1 Mar 52

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 31	24 Feb 32	25 Feb 33	26 Feb 40	27 Feb 42	28 Feb 54	1 Mar 52
2 Mar 63	3 Mar 40	4 Mar 41	5 Mar 30	6 Mar 35	7 Mar 32	8 Mar 39
9 Mar 36	10 Mar 37	11 Mar 42	12 Mar 48	13 Mar 46	14 Mar 43	15 Mar 41
16 Mar 28	17 Mar 23	18 Mar 27	19 Mar 19	20 Mar 27	21 Mar 43	22 Mar 54
23 Mar 58	24 Mar 55	25 Mar 72	26 Mar 75	27 Mar 72	28 Mar 52	29 Mar 39
30 Mar 39	31 Mar 34	1 Apr 30	2 Apr 21	3 Apr 22	4 Apr 21	5 Apr 28

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 39	31 Mar 34	1 Apr 30	2 Apr 21	3 Apr 22	4 Apr 21	5 Apr 28
6 Apr 25	7 Apr 32	8 Apr 42	9 Apr 29	10 Apr 49	11 Apr 41	12 Apr 42
13 Apr 32	14 Apr 39	15 Apr 31	16 Apr 29	17 Apr 41	18 Apr 51	19 Apr 65
20 Apr 55	21 Apr 49	22 Apr 49	23 Apr 34	24 Apr 46	25 Apr 49	26 Apr 50
27 Apr 56	28 Apr 49	29 Apr 37	30 Apr 49	1 May 42	2 May 33	3 May 33

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 56	28 Apr 49	29 Apr 37	30 Apr 49	1 May 42	2 May 33	3 May 33
4 May 39	5 May 37	6 May 33	7 May 27	8 May 32	9 May 34	10 May 24
11 May 24	12 May 25	13 May 36	14 May 38	15 May 40	16 May 47	17 May 29
18 May 47	19 May 45	20 May 64	21 May 58	22 May 46	23 May 46	24 May 45
25 May 32	26 May 31	27 May 26	28 May 28	29 May -	30 May -	31 May -

Health Advice For People Living In
Koshigaya

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.

Prevent Health Problems: Understand Your Risks

Koshigaya

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

Kure, Japan

Iwakuni, Japan

Hiroshima, Japan

Omiyacho, Japan

Waki, Japan

Higashi Hiroshima, Japan

Hatsukaichi, Japan

Kaita, Japan

Saijo, Japan

10.

Takehara, Japan

Moderate

4xabove Standard

Last Updated: 29 May 2025, 01:36 PM

AQI City Rankings

Air Quality Solutions For Koshigaya
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 Koshigaya

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 Koshigaya

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 Koshigaya

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 Koshigaya

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.

Koshigaya'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 Koshigaya

Frequently Asked Questions About Air Quality

What is the current AQI level in Koshigaya?

The current real-time AQI level in Koshigaya is 32 (Good) due to recent rainfall by 0.01mm/hr. This was last updated 2025-05-29 09:54:44 PM (Local Time).

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

The best AQI level was 22 (Good) at 10:39 PM, May 28, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 48 (Good) at 5:09 PM (Local Time) during the last 24 hours.

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

The AQI levels in Koshigaya have been fluctuating throughout the last 24 hours. The levels have increased by highest 48 at 5:09 PM (Local Time), lowest 22 at 10:39 PM, May 28, 2025 (Local Time).

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

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