AQI PM2.5 PM10 CO SO2 NO2 O3

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Ogawa Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-19 05:09:16 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 21 µg/m³

PM2.5 : 9 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

18 °C

Last Updated: 2025-05-19 05:09:16 PM (Local Time)

Map

Ogawa

Major Air Pollutants
Ogawa

Particulate Matter(PM2.5)

9µg/m³

Particulate Matter(PM10)

21µg/m³

Carbon Monoxide(CO)

75ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data
Ogawa

24 Hours

AQI

Ogawa

Want air quality data?

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

AQI

Year

AQI

Annual AQI Trends

2020

36AQI

2021

37AQI

Rise

2022

38AQI

Rise

2023

40AQI

Rise

2024

36AQI

-10%

Fall

2025

37AQI

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202052AQI

Least PollutedSeptember, 202023AQI

* This data analysis is from year 2020 - 2025

Ogawa's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Atsuka

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Ogawa

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 29	2 Jan 28	3 Jan 25	4 Jan 26
5 Jan 31	6 Jan 53	7 Jan 29	8 Jan 36	9 Jan 28	10 Jan 28	11 Jan 26
12 Jan 34	13 Jan 28	14 Jan 30	15 Jan 31	16 Jan 28	17 Jan 28	18 Jan 30
19 Jan 42	20 Jan 35	21 Jan 41	22 Jan 36	23 Jan 44	24 Jan 47	25 Jan 37
26 Jan 37	27 Jan 33	28 Jan 41	29 Jan 32	30 Jan 34	31 Jan 31	1 Feb 42

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 37	27 Jan 33	28 Jan 41	29 Jan 32	30 Jan 34	31 Jan 31	1 Feb 42
2 Feb 50	3 Feb 43	4 Feb 38	5 Feb 36	6 Feb 30	7 Feb 30	8 Feb 30
9 Feb 29	10 Feb 29	11 Feb 30	12 Feb 37	13 Feb 33	14 Feb 32	15 Feb 31
16 Feb 39	17 Feb 37	18 Feb 32	19 Feb 31	20 Feb 31	21 Feb 32	22 Feb 31
23 Feb 33	24 Feb 32	25 Feb 35	26 Feb 38	27 Feb 44	28 Feb 50	1 Mar 54

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 33	24 Feb 32	25 Feb 35	26 Feb 38	27 Feb 44	28 Feb 50	1 Mar 54
2 Mar 57	3 Mar 40	4 Mar 37	5 Mar 26	6 Mar 34	7 Mar 32	8 Mar 40
9 Mar 38	10 Mar 39	11 Mar 47	12 Mar 50	13 Mar 52	14 Mar 43	15 Mar 40
16 Mar 24	17 Mar 22	18 Mar 25	19 Mar 18	20 Mar 22	21 Mar 35	22 Mar 45
23 Mar 54	24 Mar 59	25 Mar 71	26 Mar 74	27 Mar 71	28 Mar 58	29 Mar 36
30 Mar 37	31 Mar 32	1 Apr 29	2 Apr 21	3 Apr 24	4 Apr 19	5 Apr 31

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 37	31 Mar 32	1 Apr 29	2 Apr 21	3 Apr 24	4 Apr 19	5 Apr 31
6 Apr 24	7 Apr 31	8 Apr 39	9 Apr 27	10 Apr 47	11 Apr 41	12 Apr 42
13 Apr 32	14 Apr 28	15 Apr 25	16 Apr 27	17 Apr 44	18 Apr 55	19 Apr 67
20 Apr 68	21 Apr 42	22 Apr 56	23 Apr 33	24 Apr 40	25 Apr 44	26 Apr 49
27 Apr 50	28 Apr 56	29 Apr 38	30 Apr 49	1 May 44	2 May 34	3 May 31

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 50	28 Apr 56	29 Apr 38	30 Apr 49	1 May 44	2 May 34	3 May 31
4 May 39	5 May 35	6 May 34	7 May 24	8 May 34	9 May 34	10 May 24
11 May 22	12 May 23	13 May 34	14 May 42	15 May 42	16 May 49	17 May -
18 May -	19 May -	20 May -	21 May -	22 May -	23 May -	24 May -
25 May -	26 May -	27 May -	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Ogawa

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.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Ogawa

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

Hayashima, Japan

Miyoshi, Japan

Fukuyama, Japan

Soja, Japan

Kyoto, Japan

Takasagocho Takasemachi, Japan

Niimi, Japan

Yamaguchi, Japan

Oakashicho, Japan

10.

Tanabe, Japan

Moderate

5xabove Standard

Last Updated: 19 May 2025, 12:19 PM

AQI City Rankings

Air Quality Solutions For Ogawa
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 Ogawa

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 Ogawa

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 Ogawa

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 Ogawa

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.

Ogawa'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 Ogawa

Frequently Asked Questions About Air Quality

What is the current AQI level in Ogawa?

The current real-time AQI level in Ogawa is 51 (Moderate) due to recent rainfall by 0.03mm/hr. This was last updated 2025-05-19 05:09:16 PM (Local Time).

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

The best AQI level was 32 (Good) at 2:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 57 (Moderate) at 12:09 PM (Local Time) during the last 24 hours.

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

The AQI levels in Ogawa have been fluctuating throughout the last 24 hours. The levels have increased by highest 57 at 12:09 PM (Local Time), lowest 32 at 2:09 AM (Local Time).

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

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