AQI PM2.5 PM10 CO SO2 NO2 O3

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Honjo Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-26 05:26:30 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 10 µg/m³

PM2.5 : 6 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

21 °C

Last Updated: 2025-05-26 05:26:30 PM (Local Time)

Map

Honjo

Major Air Pollutants
Honjo

Particulate Matter(PM2.5)

6µg/m³

Particulate Matter(PM10)

10µg/m³

Carbon Monoxide(CO)

97ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

42ppb

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AQI Graph

Historical Air Quality Data
Honjo

24 Hours

AQI

Honjo

Want air quality data?

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

AQI

Year

AQI

Annual AQI Trends

2020

38AQI

2021

39AQI

Rise

2022

40AQI

Rise

2023

44AQI

10%

Rise

2024

39AQI

-11%

Fall

2025

38AQI

-3%

Fall

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

No Change

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

Good

Nakamachi

Good

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 -	27 May -	28 May -	29 May -	30 May -	31 May -

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

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

Honjo

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

Inazawa, Japan

Tsukumiura, Japan

Ishizaki, Japan

Honmachi, Japan

Tamana, Japan

Yamaga, Japan

Ogoshi, Japan

Ozu, Japan

Kasaoka, Japan

10.

Yashiki, Japan

Moderate

3xabove Standard

Last Updated: 26 May 2025, 11:31 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

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 34 (Good). This was last updated 2025-05-26 05:26:30 PM (Local Time).

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

The best AQI level was 15 (Good) at 9:09 PM, May 25, 2025 (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 49 (Good) at 8:09 AM (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 49 at 8:09 AM (Local Time), lowest 15 at 9:09 PM, May 25, 2025 (Local Time).

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

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