AQI PM2.5 PM10 CO SO2 NO2 O3

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Oyama Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-07 03:39:42 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 16 µg/m³

PM2.5 : 9 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

28 °C

Last Updated: 2025-06-07 03:39:42 PM (Local Time)

Map

Oyama

Major Air Pollutants
Oyama

Particulate Matter(PM2.5)

9µg/m³

Particulate Matter(PM10)

16µg/m³

Carbon Monoxide(CO)

143ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

48ppb

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AQI Graph

Historical Air Quality Data
Oyama

24 Hours

AQI

Oyama

Want air quality data?

AQI Trends - Annual Air Quality Changes
Oyama, Tochigi, Japan

AQI

Year

AQI

Annual AQI Trends

2020

33AQI

2021

33AQI

No Change

2022

35AQI

Rise

2023

30AQI

-14%

Fall

2024

32AQI

Rise

2025

28AQI

-12%

Fall

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

-3%

Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedAugust, 202049AQI

Least PollutedDecember, 202017AQI

* This data analysis is from year 2020 - 2025

Oyama's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Chuocho

Good

Shiroyamacho

Moderate

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Nishitokyo

Yokohama

Air Quality Calendar 2025
Oyama

2025

AQI

January

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

February

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

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 32	24 Feb 32	25 Feb 34	26 Feb 36	27 Feb 37	28 Feb 41	1 Mar 50
2 Mar 46	3 Mar 40	4 Mar 33	5 Mar 28	6 Mar 30	7 Mar 32	8 Mar 32
9 Mar 33	10 Mar 34	11 Mar 34	12 Mar 37	13 Mar 35	14 Mar 27	15 Mar 27
16 Mar 19	17 Mar 18	18 Mar 18	19 Mar 16	20 Mar 19	21 Mar 28	22 Mar 33
23 Mar 36	24 Mar 37	25 Mar 53	26 Mar 67	27 Mar 59	28 Mar 43	29 Mar 33
30 Mar 31	31 Mar 29	1 Apr 24	2 Apr 21	3 Apr 18	4 Apr 20	5 Apr 19

April

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

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 23	28 Apr 23	29 Apr 17	30 Apr 22	1 May 20	2 May 18	3 May 18
4 May 23	5 May 19	6 May 18	7 May 16	8 May 18	9 May 18	10 May 16
11 May 17	12 May 17	13 May 21	14 May 20	15 May 22	16 May 23	17 May 21
18 May 25	19 May 26	20 May 46	21 May 32	22 May 30	23 May 26	24 May 25
25 May 20	26 May 20	27 May 23	28 May 17	29 May 20	30 May 15	31 May 14

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 14	2 Jun 20	3 Jun 20	4 Jun 19	5 Jun 24	6 Jun -	7 Jun -
8 Jun -	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Oyama

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

Oyama

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

Miyajima, Japan

Ishinari, Japan

Kaneyama, Japan

Tachiarai, Japan

Hayashima, Japan

Omachi, Japan

Iwashita, Japan

Kasamatsucho, Japan

Tsukawaki, Japan

10.

Takeocho Takeo, Japan

Moderate

5xabove Standard

Last Updated: 07 Jun 2025, 09:01 AM

AQI City Rankings

Air Quality Solutions For Oyama
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 Oyama

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 Oyama

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 Oyama

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 Oyama

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.

Oyama'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 Oyama

Frequently Asked Questions About Air Quality

What is the current AQI level in Oyama?

The current real-time AQI level in Oyama is 49 (Good). This was last updated 2025-06-07 03:39:42 PM (Local Time).

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

The best AQI level was 24 (Good) at 8:09 PM, Jun 6, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 52 (Moderate) at 2:09 PM (Local Time) during the last 24 hours.

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

The AQI levels in Oyama have been fluctuating throughout the last 24 hours. The levels have increased by highest 52 at 2:09 PM (Local Time), lowest 24 at 8:09 PM, Jun 6, 2025 (Local Time).

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

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