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Honjo Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-25 10:09:39 AM (Local Time)

Live AQI

52(AQI-US)

Air Quality is

Moderate

pm10 : 29 µg/m³

PM2.5 : 10 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

30 °C

Last Updated: 2025-08-25 10:09:39 AM (Local Time)

Map

Honjo

Major Air Pollutants
Honjo

Particulate Matter(PM2.5)

10µg/m³

Particulate Matter(PM10)

29µg/m³

Carbon Monoxide(CO)

62ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

22ppb

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AQI Graph

Historical Air Quality Data
Honjo

24 Hours

AQI

Honjo

AQI

24-08-2025Time25-08-2025

Time	Honjo
10 AM	58
11 AM	60
12 PM	58
01 PM	60
02 PM	57
03 PM	59
04 PM	60
05 PM	61
06 PM	61
07 PM	63
08 PM	56
09 PM	52
10 PM	51
11 PM	54
12 AM	51
01 AM	47
02 AM	47
03 AM	47
04 AM	50
05 AM	51
06 AM	51
07 AM	52
08 AM	52
09 AM	52
10 AM	52

Min.at 1:09 AM on 25th Aug

Max.at 7:09 PM on 24th Aug

Want air quality data?

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

AQI

Year

AQI

AQI	AQI
Mar 2020	39
Apr 2020	36
May 2020	38
Jun 2020	46
Jul 2020	30
Aug 2020	55
Sep 2020	28
Oct 2020	35
Nov 2020	42
Dec 2020	30
Jan 2021	35
Feb 2021	37
Mar 2021	47
Apr 2021	41
May 2021	45
Jun 2021	46
Jul 2021	40
Aug 2021	36
Sep 2021	37
Oct 2021	35
Nov 2021	37
Dec 2021	33
Jan 2022	34
Feb 2022	39
Mar 2022	46
Apr 2022	50
May 2022	46
Jun 2022	50
Jul 2022	40
Aug 2022	39
Sep 2022	36
Oct 2022	36
Nov 2022	39
Dec 2022	29
Jan 2023	36
Feb 2023	41
Mar 2023	50
Apr 2023	54
May 2023	49
Jun 2023	49
Jul 2023	53
Aug 2023	37
Sep 2023	39
Oct 2023	37
Nov 2023	44
Dec 2023	38
Jan 2024	33
Feb 2024	36
Mar 2024	41
Apr 2024	52
May 2024	43
Jun 2024	45
Jul 2024	45
Aug 2024	36
Sep 2024	36
Oct 2024	34
Nov 2024	37
Dec 2024	29
Jan 2025	33
Feb 2025	35
Mar 2025	43
Apr 2025	40
May 2025	39
Jun 2025	42
Jul 2025	50
Aug 2025	41

Annual AQI Trends

2020

38AQI

2021

39AQI

Rise

2022

40AQI

Rise

2023

44AQI

10%

Rise

2024

39AQI

-11%

Fall

2025

40AQI

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202055AQI

Least PollutedSeptember, 202028AQI

* This data analysis is from year 2020 - 2025

Honjo's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Hinode

Good

Kodamacha Takazeki

Moderate

Nakamachi

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Honjo

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 29	2 Jan 28	3 Jan 26	4 Jan 27
5 Jan 30	6 Jan 48	7 Jan 31	8 Jan 35	9 Jan 28	10 Jan 27	11 Jan 26
12 Jan 33	13 Jan 29	14 Jan 30	15 Jan 30	16 Jan 28	17 Jan 28	18 Jan 30
19 Jan 39	20 Jan 38	21 Jan 40	22 Jan 35	23 Jan 43	24 Jan 45	25 Jan 36
26 Jan 37	27 Jan 33	28 Jan 39	29 Jan 32	30 Jan 33	31 Jan 30	1 Feb 38

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 37	27 Jan 33	28 Jan 39	29 Jan 32	30 Jan 33	31 Jan 30	1 Feb 38
2 Feb 47	3 Feb 42	4 Feb 37	5 Feb 35	6 Feb 30	7 Feb 31	8 Feb 30
9 Feb 30	10 Feb 30	11 Feb 33	12 Feb 34	13 Feb 34	14 Feb 32	15 Feb 32
16 Feb 38	17 Feb 39	18 Feb 32	19 Feb 32	20 Feb 32	21 Feb 33	22 Feb 34
23 Feb 33	24 Feb 33	25 Feb 35	26 Feb 38	27 Feb 44	28 Feb 50	1 Mar 52

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 33	24 Feb 33	25 Feb 35	26 Feb 38	27 Feb 44	28 Feb 50	1 Mar 52
2 Mar 53	3 Mar 40	4 Mar 38	5 Mar 27	6 Mar 34	7 Mar 32	8 Mar 38
9 Mar 36	10 Mar 38	11 Mar 46	12 Mar 48	13 Mar 52	14 Mar 43	15 Mar 42
16 Mar 26	17 Mar 23	18 Mar 26	19 Mar 19	20 Mar 26	21 Mar 37	22 Mar 47
23 Mar 56	24 Mar 60	25 Mar 74	26 Mar 74	27 Mar 73	28 Mar 57	29 Mar 37
30 Mar 37	31 Mar 33	1 Apr 31	2 Apr 21	3 Apr 23	4 Apr 19	5 Apr 32

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 37	31 Mar 33	1 Apr 31	2 Apr 21	3 Apr 23	4 Apr 19	5 Apr 32
6 Apr 27	7 Apr 33	8 Apr 42	9 Apr 29	10 Apr 48	11 Apr 43	12 Apr 45
13 Apr 29	14 Apr 28	15 Apr 25	16 Apr 26	17 Apr 45	18 Apr 55	19 Apr 68
20 Apr 65	21 Apr 44	22 Apr 56	23 Apr 36	24 Apr 43	25 Apr 45	26 Apr 51
27 Apr 50	28 Apr 56	29 Apr 40	30 Apr 49	1 May 47	2 May 33	3 May 33

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 50	28 Apr 56	29 Apr 40	30 Apr 49	1 May 47	2 May 33	3 May 33
4 May 37	5 May 36	6 May 32	7 May 26	8 May 34	9 May 35	10 May 24
11 May 22	12 May 24	13 May 36	14 May 44	15 May 46	16 May 51	17 May 35
18 May 46	19 May 46	20 May 57	21 May 68	22 May 60	23 May 53	24 May 49
25 May 32	26 May 33	27 May 33	28 May 31	29 May 39	30 May 30	31 May 25

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 22	2 Jun 37	3 Jun 34	4 Jun 30	5 Jun 38	6 Jun 47	7 Jun 53
8 Jun 64	9 Jun 58	10 Jun 45	11 Jun 35	12 Jun 40	13 Jun 48	14 Jun 44
15 Jun 31	16 Jun 39	17 Jun 48	18 Jun 44	19 Jun 47	20 Jun 47	21 Jun 45
22 Jun 39	23 Jun 39	24 Jun 37	25 Jun 35	26 Jun 34	27 Jun 37	28 Jun 38
29 Jun 44	30 Jun 48	1 Jul 50	2 Jul 48	3 Jul 51	4 Jul 51	5 Jul 53

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 44	30 Jun 48	1 Jul 50	2 Jul 48	3 Jul 51	4 Jul 51	5 Jul 53
6 Jul 55	7 Jul 70	8 Jul 74	9 Jul 74	10 Jul 63	11 Jul 51	12 Jul 53
13 Jul 53	14 Jul 44	15 Jul 42	16 Jul 44	17 Jul 40	18 Jul 41	19 Jul 39
20 Jul 41	21 Jul 45	22 Jul 47	23 Jul 50	24 Jul 51	25 Jul 51	26 Jul 52
27 Jul 49	28 Jul 50	29 Jul 49	30 Jul 40	31 Jul 41	1 Aug 36	2 Aug 41

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 49	28 Jul 50	29 Jul 49	30 Jul 40	31 Jul 41	1 Aug 36	2 Aug 41
3 Aug 44	4 Aug 55	5 Aug 50	6 Aug 48	7 Aug 39	8 Aug 37	9 Aug 40
10 Aug 42	11 Aug 37	12 Aug 33	13 Aug 32	14 Aug 32	15 Aug 33	16 Aug 36
17 Aug 38	18 Aug 41	19 Aug 42	20 Aug 47	21 Aug 46	22 Aug 46	23 Aug 48
24 Aug 50	25 Aug -	26 Aug -	27 Aug -	28 Aug -	29 Aug -	30 Aug -
31 Aug -	1 Sep -	2 Sep -	3 Sep -	4 Sep -	5 Sep -	6 Sep -

Health Advice For People Living In
Honjo

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

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

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

Honjo

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild 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.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

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

Kanie, Japan

Habikino, Japan

Osaka, Japan

Minamiozuma, Japan

Nishinomiya Hama, Japan

Kuwana, Japan

Yokosuka, Japan

Sakurazuka, Japan

Toyama, Japan

10.

Omiyacho, Japan

Moderate

4xabove Standard

Last Updated: 25 Aug 2025, 01:12 AM

AQI City Rankings

Air Quality Solutions For Honjo
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 Honjo

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 Honjo

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 Honjo

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 Honjo

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.

Honjo'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 Honjo

Frequently Asked Questions About Air Quality

What is the current AQI level in Honjo?

The current real-time AQI level in Honjo is 52 (Moderate). This was last updated 2025-08-25 10:09:39 AM (Local Time).

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

The best AQI level was 47 (Good) at 1:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 63 (Moderate) at 7:09 PM, Aug 24, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Honjo have been fluctuating throughout the last 24 hours. The levels have increased by highest 63 at 7:09 PM, Aug 24, 2025 (Local Time), lowest 47 at 1:09 AM (Local Time).

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

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