AQI PM2.5 PM10 CO SO2 NO2 O3

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Chiba Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-11-28 05:29:54 AM (Local Time)

Live AQI

58(AQI-US)

Air Quality is

Moderate

pm10 : 24 µg/m³

PM2.5 : 15 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

14 °C

Last Updated: 2025-11-28 05:29:54 AM (Local Time)

Map

Chiba

Major Air Pollutants
Chiba

Particulate Matter(PM2.5)

15µg/m³

Particulate Matter(PM10)

24µg/m³

Carbon Monoxide(CO)

425ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

25ppb

Ozone(O3)

14ppb

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AQI Graph

Historical Air Quality Data
Chiba

24 Hours

AQI

Chiba

AQI

27-11-2025Time28-11-2025

Time	Chiba
05 AM	39
06 AM	41
07 AM	44
08 AM	46
09 AM	50
10 AM	52
11 AM	53
12 PM	53
01 PM	55
02 PM	56
03 PM	56
04 PM	57
05 PM	59
06 PM	62
07 PM	65
08 PM	67
09 PM	68
10 PM	69
11 PM	70
12 AM	70
01 AM	70
02 AM	68
03 AM	67
04 AM	61
05 AM	59

Min.at 5:35 AM on 27th Nov

Max.at 11:00 PM on 27th Nov

Want air quality data?

AQI Trends - Annual Air Quality Changes
Chiba, Japan

AQI

Year

AQI

AQI	AQI
Mar 2020	33
Apr 2020	30
May 2020	27
Jun 2020	36
Jul 2020	29
Aug 2020	39
Sep 2020	25
Oct 2020	29
Nov 2020	38
Dec 2020	36
Jan 2021	37
Feb 2021	33
Mar 2021	34
Apr 2021	30
May 2021	39
Jun 2021	37
Jul 2021	33
Aug 2021	32
Sep 2021	33
Oct 2021	33
Nov 2021	37
Dec 2021	40
Jan 2022	36
Feb 2022	37
Mar 2022	43
Apr 2022	42
May 2022	40
Jun 2022	40
Jul 2022	33
Aug 2022	48
Sep 2022	32
Oct 2022	35
Nov 2022	39
Dec 2022	36
Jan 2023	38
Feb 2023	40
Mar 2023	42
Apr 2023	45
May 2023	41
Jun 2023	41
Jul 2023	38
Aug 2023	27
Sep 2023	29
Oct 2023	35
Nov 2023	40
Dec 2023	41
Jan 2024	36
Feb 2024	35
Mar 2024	40
Apr 2024	44
May 2024	40
Jun 2024	38
Jul 2024	48
Aug 2024	30
Sep 2024	30
Oct 2024	32
Nov 2024	36
Dec 2024	33
Jan 2025	35
Feb 2025	34
Mar 2025	40
Apr 2025	34
May 2025	30
Jun 2025	32
Jul 2025	43
Aug 2025	46
Sep 2025	35
Oct 2025	48
Nov 2025	47

Annual AQI Trends

2020

33AQI

2021

35AQI

Rise

2022

38AQI

Rise

2023

38AQI

No Change

2024

37AQI

-3%

Fall

2025

38AQI

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202248AQI

Least PollutedSeptember, 202025AQI

* This data analysis is from year 2020 - 2025

Chiba's Cities
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Moderate

Moderate

Good

Moderate

Good

Moderate

Good

Moderate

Moderate

Moderate

Moderate

Good

Moderate

Moderate

Moderate

Good

Moderate

Moderate

Good

Good

Good

Good

Moderate

Moderate

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Chiba

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 31	2 Jan 31	3 Jan 25	4 Jan 29
5 Jan 33	6 Jan 49	7 Jan 31	8 Jan 34	9 Jan 29	10 Jan 29	11 Jan 29
12 Jan 34	13 Jan 29	14 Jan 38	15 Jan 37	16 Jan 32	17 Jan 31	18 Jan 32
19 Jan 50	20 Jan 39	21 Jan 42	22 Jan 39	23 Jan 48	24 Jan 45	25 Jan 40
26 Jan 36	27 Jan 35	28 Jan 38	29 Jan 31	30 Jan 33	31 Jan 29	1 Feb 37

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 36	27 Jan 35	28 Jan 38	29 Jan 31	30 Jan 33	31 Jan 29	1 Feb 37
2 Feb 32	3 Feb 38	4 Feb 31	5 Feb 33	6 Feb 29	7 Feb 30	8 Feb 30
9 Feb 30	10 Feb 29	11 Feb 31	12 Feb 33	13 Feb 37	14 Feb 30	15 Feb 35
16 Feb 37	17 Feb 37	18 Feb 32	19 Feb 31	20 Feb 30	21 Feb 30	22 Feb 31
23 Feb 32	24 Feb 33	25 Feb 34	26 Feb 36	27 Feb 39	28 Feb 52	1 Mar 48

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 32	24 Feb 33	25 Feb 34	26 Feb 36	27 Feb 39	28 Feb 52	1 Mar 48
2 Mar 60	3 Mar 40	4 Mar 39	5 Mar 26	6 Mar 33	7 Mar 31	8 Mar 34
9 Mar 34	10 Mar 35	11 Mar 38	12 Mar 43	13 Mar 40	14 Mar 37	15 Mar 33
16 Mar 25	17 Mar 20	18 Mar 22	19 Mar 17	20 Mar 22	21 Mar 39	22 Mar 45
23 Mar 52	24 Mar 49	25 Mar 64	26 Mar 77	27 Mar 68	28 Mar 48	29 Mar 37
30 Mar 41	31 Mar 32	1 Apr 29	2 Apr 22	3 Apr 21	4 Apr 21	5 Apr 23

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 41	31 Mar 32	1 Apr 29	2 Apr 22	3 Apr 21	4 Apr 21	5 Apr 23
6 Apr 23	7 Apr 28	8 Apr 34	9 Apr 26	10 Apr 42	11 Apr 36	12 Apr 35
13 Apr 27	14 Apr 37	15 Apr 28	16 Apr 32	17 Apr 42	18 Apr 47	19 Apr 56
20 Apr 44	21 Apr 41	22 Apr 40	23 Apr 28	24 Apr 35	25 Apr 35	26 Apr 41
27 Apr 43	28 Apr 38	29 Apr 33	30 Apr 40	1 May 35	2 May 27	3 May 29

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 43	28 Apr 38	29 Apr 33	30 Apr 40	1 May 35	2 May 27	3 May 29
4 May 35	5 May 31	6 May 26	7 May 23	8 May 25	9 May 26	10 May 22
11 May 27	12 May 25	13 May 32	14 May 29	15 May 34	16 May 36	17 May 26
18 May 40	19 May 38	20 May 56	21 May 40	22 May 38	23 May 36	24 May 35
25 May 28	26 May 25	27 May 24	28 May 22	29 May 25	30 May 22	31 May 16

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 20	2 Jun 26	3 Jun 28	4 Jun 29	5 Jun 36	6 Jun 41	7 Jun 43
8 Jun 50	9 Jun 37	10 Jun 31	11 Jun 28	12 Jun 35	13 Jun 33	14 Jun 30
15 Jun 34	16 Jun 35	17 Jun 45	18 Jun 41	19 Jun 39	20 Jun 34	21 Jun 29
22 Jun 20	23 Jun 22	24 Jun 21	25 Jun 20	26 Jun 21	27 Jun 29	28 Jun 27
29 Jun 30	30 Jun 36	1 Jul 36	2 Jul 41	3 Jul 41	4 Jul 42	5 Jul 50

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 30	30 Jun 36	1 Jul 36	2 Jul 41	3 Jul 41	4 Jul 42	5 Jul 50
6 Jul 66	7 Jul 76	8 Jul 77	9 Jul 73	10 Jul 56	11 Jul 49	12 Jul 52
13 Jul 49	14 Jul 42	15 Jul 41	16 Jul 40	17 Jul 42	18 Jul 37	19 Jul 33
20 Jul 32	21 Jul 34	22 Jul 33	23 Jul 34	24 Jul 35	25 Jul 31	26 Jul 30
27 Jul 28	28 Jul 33	29 Jul 30	30 Jul 30	31 Jul 30	1 Aug 33	2 Aug 41

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 28	28 Jul 33	29 Jul 30	30 Jul 30	31 Jul 30	1 Aug 33	2 Aug 41
3 Aug 44	4 Aug 61	5 Aug 50	6 Aug 51	7 Aug 49	8 Aug 46	9 Aug 47
10 Aug 39	11 Aug 39	12 Aug 36	13 Aug 34	14 Aug 37	15 Aug 35	16 Aug 37
17 Aug 39	18 Aug 43	19 Aug 45	20 Aug 47	21 Aug 50	22 Aug 50	23 Aug 48
24 Aug 55	25 Aug 55	26 Aug 53	27 Aug 50	28 Aug 45	29 Aug 51	30 Aug 55
31 Aug 53	1 Sep 43	2 Sep 37	3 Sep 37	4 Sep 36	5 Sep 30	6 Sep 30

September

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
31 Aug 53	1 Sep 43	2 Sep 37	3 Sep 37	4 Sep 36	5 Sep 30	6 Sep 30
7 Sep 30	8 Sep 39	9 Sep 42	10 Sep 38	11 Sep 32	12 Sep 31	13 Sep 29
14 Sep 36	15 Sep 36	16 Sep 35	17 Sep 48	18 Sep 47	19 Sep 35	20 Sep 35
21 Sep 30	22 Sep 28	23 Sep 27	24 Sep 28	25 Sep 31	26 Sep 45	27 Sep 33
28 Sep 30	29 Sep 31	30 Sep 26	1 Oct 33	2 Oct 45	3 Oct 48	4 Oct 56

October

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
28 Sep 30	29 Sep 31	30 Sep 26	1 Oct 33	2 Oct 45	3 Oct 48	4 Oct 56
5 Oct 56	6 Oct 50	7 Oct 51	8 Oct 57	9 Oct 54	10 Oct 54	11 Oct 50
12 Oct 47	13 Oct 56	14 Oct 53	15 Oct 45	16 Oct 59	17 Oct 51	18 Oct 53
19 Oct 53	20 Oct 48	21 Oct 35	22 Oct 34	23 Oct 38	24 Oct 37	25 Oct 39
26 Oct 33	27 Oct 35	28 Oct 41	29 Oct 43	30 Oct 59	31 Oct 62	1 Nov 27

November

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Oct 33	27 Oct 35	28 Oct 41	29 Oct 43	30 Oct 59	31 Oct 62	1 Nov 27
2 Nov 36	3 Nov 43	4 Nov 29	5 Nov 50	6 Nov 48	7 Nov 48	8 Nov 48
9 Nov 45	10 Nov 44	11 Nov 27	12 Nov 39	13 Nov 64	14 Nov 67	15 Nov 49
16 Nov 51	17 Nov 57	18 Nov 41	19 Nov 34	20 Nov 54	21 Nov 61	22 Nov 47
23 Nov 46	24 Nov 59	25 Nov 65	26 Nov 54	27 Nov -	28 Nov -	29 Nov -
30 Nov -	1 Dec -	2 Dec -	3 Dec -	4 Dec -	5 Dec -	6 Dec -

Health Advice For People Living In
Chiba

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

Chiba

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

Kaneyama, Japan

Kagoshima, Japan

Suginami City, Japan

Tamana, Japan

Ozu, Japan

Hikari, Japan

Nobeoka, Japan

Nichinan, Japan

Nishi, Japan

10.

Kakamigahara, Japan

Moderate

6xabove Standard

Last Updated: 27 Nov 2025, 08:33 PM

AQI City Rankings

Air Quality Solutions For Chiba
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 Chiba

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 Chiba

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 Chiba

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 Chiba

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.

Chiba'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 Chiba

Frequently Asked Questions About Air Quality

What is the current AQI level in Chiba?

The current real-time AQI level in Chiba is 58 (Moderate). This was last updated 2025-11-28 05:29:54 AM (Local Time).

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

The best AQI level was 39 (Good) at 5:35 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 70 (Moderate) at 11:00 PM (Local Time) during the last 24 hours.

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

The AQI levels in Chiba have been fluctuating throughout the last 24 hours. The levels have increased by highest 70 at 11:00 PM (Local Time), lowest 39 at 5:35 AM (Local Time).

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

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