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Omura Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-10-20 03:34:45 PM (Local Time)

Live AQI

25(AQI-US)

Air Quality is

Good

pm10 : 27 µg/m³

PM2.5 : 1 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

26 °C

Last Updated: 2025-10-20 03:34:45 PM (Local Time)

Map

Omura

Major Air Pollutants
Omura

Particulate Matter(PM2.5)

1µg/m³

Particulate Matter(PM10)

27µg/m³

Carbon Monoxide(CO)

260ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

2ppb

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data
Omura

24 Hours

AQI

Omura

AQI

19-10-2025Time20-10-2025

Time	Omura
03 PM	47
04 PM	42
05 PM	40
06 PM	38
07 PM	40
08 PM	46
09 PM	49
10 PM	47
11 PM	47
12 AM	43
01 AM	27
02 AM	15
03 AM	16
04 AM	17
05 AM	20
06 AM	20
07 AM	22
08 AM	22
09 AM	31
10 AM	38
11 AM	19
12 PM	54
01 PM	21
02 PM	23
03 PM	23

Min.at 2:04 AM on 20th Oct

Max.at 12:04 PM on 20th Oct

Want air quality data?

AQI Trends - Annual Air Quality Changes
Omura, Nagasaki, Japan

AQI

Year

AQI

AQI	AQI
Mar 2020	37
Apr 2020	41
May 2020	46
Jun 2020	40
Jul 2020	28
Aug 2020	50
Sep 2020	0
Oct 2020
Nov 2020	38
Dec 2020	37
Jan 2021	34
Feb 2021	37
Mar 2021	39
Apr 2021	37
May 2021	44
Jun 2021	45
Jul 2021	33
Aug 2021	33
Sep 2021	36
Oct 2021	43
Nov 2021	41
Dec 2021	37
Jan 2022	40
Feb 2022	42
Mar 2022	46
Apr 2022	40
May 2022	47
Jun 2022	35
Jul 2022	40
Aug 2022	57
Sep 2022	36
Oct 2022	38
Nov 2022	48
Dec 2022	39
Jan 2023	49
Feb 2023	46
Mar 2023	48
Apr 2023	48
May 2023	42
Jun 2023	40
Jul 2023	34
Aug 2023	32
Sep 2023	37
Oct 2023	37
Nov 2023	40
Dec 2023	40
Jan 2024	36
Feb 2024	37
Mar 2024	40
Apr 2024	49
May 2024	49
Jun 2024	41
Jul 2024	20
Aug 2024	37
Sep 2024	40
Oct 2024	34
Nov 2024	38
Dec 2024	35
Jan 2025	45
Feb 2025	38
Mar 2025	45
Apr 2025	43
May 2025	44
Jun 2025	34
Jul 2025	44
Aug 2025	43
Sep 2025	29
Oct 2025	55

Annual AQI Trends

2020

39AQI

2021

38AQI

-3%

Fall

2022

41AQI

Rise

2023

41AQI

No Change

2024

38AQI

-7%

Fall

2025

42AQI

11%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202257AQI

Least PollutedSeptember, 20200AQI

* This data analysis is from year 2020 - 2025

Omura's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Nishisanjocho

Good

Japan's Metro Cities
Air Quality Index

Aomori

Higashi Hiroshima

Higashi Osaka

Kyoto

Saitama

Sendai

Tokyo

Yokohama

Air Quality Calendar 2025
Omura

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 33	2 Jan 42	3 Jan 36	4 Jan 35
5 Jan 32	6 Jan 48	7 Jan 30	8 Jan 38	9 Jan 29	10 Jan 31	11 Jan 28
12 Jan 33	13 Jan 41	14 Jan 45	15 Jan 43	16 Jan 38	17 Jan 50	18 Jan 56
19 Jan 52	20 Jan 59	21 Jan 82	22 Jan 79	23 Jan 71	24 Jan 77	25 Jan 47
26 Jan 45	27 Jan 39	28 Jan 36	29 Jan 32	30 Jan 35	31 Jan 44	1 Feb 40

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 45	27 Jan 39	28 Jan 36	29 Jan 32	30 Jan 35	31 Jan 44	1 Feb 40
2 Feb 33	3 Feb 46	4 Feb 31	5 Feb 40	6 Feb 31	7 Feb 35	8 Feb 31
9 Feb 30	10 Feb 31	11 Feb 43	12 Feb 36	13 Feb 34	14 Feb 36	15 Feb 31
16 Feb 36	17 Feb 47	18 Feb 41	19 Feb 36	20 Feb 35	21 Feb 34	22 Feb 41
23 Feb 38	24 Feb 38	25 Feb 36	26 Feb 43	27 Feb 63	28 Feb 59	1 Mar 52

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 38	24 Feb 38	25 Feb 36	26 Feb 43	27 Feb 63	28 Feb 59	1 Mar 52
2 Mar 39	3 Mar 40	4 Mar 28	5 Mar 31	6 Mar 30	7 Mar 34	8 Mar 40
9 Mar 45	10 Mar 48	11 Mar 46	12 Mar 49	13 Mar 54	14 Mar 37	15 Mar 32
16 Mar 30	17 Mar 47	18 Mar 44	19 Mar 47	20 Mar 53	21 Mar 56	22 Mar 63
23 Mar 59	24 Mar 49	25 Mar 61	26 Mar 58	27 Mar 45	28 Mar 58	29 Mar 52
30 Mar 40	31 Mar 41	1 Apr 42	2 Apr 34	3 Apr 34	4 Apr 35	5 Apr 41

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 40	31 Mar 41	1 Apr 42	2 Apr 34	3 Apr 34	4 Apr 35	5 Apr 41
6 Apr 40	7 Apr 40	8 Apr 36	9 Apr 53	10 Apr 42	11 Apr 59	12 Apr 50
13 Apr 49	14 Apr 55	15 Apr 35	16 Apr 49	17 Apr 44	18 Apr 51	19 Apr 49
20 Apr 37	21 Apr 41	22 Apr 30	23 Apr 25	24 Apr 32	25 Apr 46	26 Apr 45
27 Apr 48	28 Apr 41	29 Apr 51	30 Apr 50	1 May 42	2 May 40	3 May 42

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 48	28 Apr 41	29 Apr 51	30 Apr 50	1 May 42	2 May 40	3 May 42
4 May 38	5 May 43	6 May 38	7 May 37	8 May 47	9 May 37	10 May 39
11 May 49	12 May 53	13 May 57	14 May 58	15 May 57	16 May 62	17 May 38
18 May 50	19 May 51	20 May 39	21 May 29	22 May 34	23 May 42	24 May 27
25 May 33	26 May 39	27 May 45	28 May 50	29 May 52	30 May 44	31 May 42

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 50	2 Jun 48	3 Jun 36	4 Jun 44	5 Jun 45	6 Jun 43	7 Jun 55
8 Jun 63	9 Jun 32	10 Jun 29	11 Jun 38	12 Jun 37	13 Jun 36	14 Jun 28
15 Jun 28	16 Jun 30	17 Jun 27	18 Jun 31	19 Jun 33	20 Jun 30	21 Jun 26
22 Jun 21	23 Jun 19	24 Jun 22	25 Jun 23	26 Jun 25	27 Jun 25	28 Jun 26
29 Jun 25	30 Jun 37	1 Jul 52	2 Jul 59	3 Jul 63	4 Jul 65	5 Jul 56

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 25	30 Jun 37	1 Jul 52	2 Jul 59	3 Jul 63	4 Jul 65	5 Jul 56
6 Jul 49	7 Jul 47	8 Jul 54	9 Jul 57	10 Jul 54	11 Jul 46	12 Jul 46
13 Jul 44	14 Jul 39	15 Jul 45	16 Jul 49	17 Jul 49	18 Jul 38	19 Jul 38
20 Jul 34	21 Jul 36	22 Jul 43	23 Jul 49	24 Jul 42	25 Jul 34	26 Jul 29
27 Jul 26	28 Jul 26	29 Jul 26	30 Jul 30	31 Jul 32	1 Aug 46	2 Aug 50

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 26	28 Jul 26	29 Jul 26	30 Jul 30	31 Jul 32	1 Aug 46	2 Aug 50
3 Aug 49	4 Aug 45	5 Aug 44	6 Aug 47	7 Aug 48	8 Aug 43	9 Aug 40
10 Aug 44	11 Aug 36	12 Aug 37	13 Aug 41	14 Aug 39	15 Aug 41	16 Aug 39
17 Aug 44	18 Aug 49	19 Aug 51	20 Aug 44	21 Aug 44	22 Aug 52	23 Aug 45
24 Aug 35	25 Aug 35	26 Aug 34	27 Aug 37	28 Aug 41	29 Aug 44	30 Aug 48
31 Aug 46	1 Sep 38	2 Sep 38	3 Sep 41	4 Sep 28	5 Sep 28	6 Sep 33

September

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
31 Aug 46	1 Sep 38	2 Sep 38	3 Sep 41	4 Sep 28	5 Sep 28	6 Sep 33
7 Sep 35	8 Sep 31	9 Sep 27	10 Sep 30	11 Sep 33	12 Sep 36	13 Sep 30
14 Sep 29	15 Sep 28	16 Sep 24	17 Sep 26	18 Sep 24	19 Sep 25	20 Sep 24
21 Sep 22	22 Sep 26	23 Sep 26	24 Sep 25	25 Sep 31	26 Sep 43	27 Sep 21
28 Sep 22	29 Sep 24	30 Sep 28	1 Oct 30	2 Oct 50	3 Oct 62	4 Oct 64

October

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
28 Sep 22	29 Sep 24	30 Sep 28	1 Oct 30	2 Oct 50	3 Oct 62	4 Oct 64
5 Oct 51	6 Oct 52	7 Oct 51	8 Oct 58	9 Oct 52	10 Oct 57	11 Oct 67
12 Oct 63	13 Oct 60	14 Oct 59	15 Oct 52	16 Oct 54	17 Oct 52	18 Oct 63
19 Oct 50	20 Oct -	21 Oct -	22 Oct -	23 Oct -	24 Oct -	25 Oct -
26 Oct -	27 Oct -	28 Oct -	29 Oct -	30 Oct -	31 Oct -	1 Nov -

Air Quality Solutions For Omura
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Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

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Air Quality Sensors

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Fresh Air Machine

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Car Cabin Filter

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N95 Mask

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Omura'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 Omura

Frequently Asked Questions About Air Quality

What is the current AQI level in Omura?

The current real-time AQI level in Omura is 25 (Good). This was last updated 2025-10-20 03:34:45 PM (Local Time).

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

The best AQI level was 15 (Good) at 2:04 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 54 (Moderate) at 12:04 PM (Local Time) during the last 24 hours.

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

The AQI levels in Omura have been fluctuating throughout the last 24 hours. The levels have increased by highest 54 at 12:04 PM (Local Time), lowest 15 at 2:04 AM (Local Time).

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

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