Ginowan, Okinawa, Japan Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

July Air Quality Analysis
Ginowan, Okinawa, Japan

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	38	35	27	19	41
Jul. 2		29	31	13	48
Jul. 3		31	21	16	24
Jul. 4		32	20	20	19
Jul. 5		31	34	15	22
Jul. 6		34	42	14	24
Jul. 7		32	26	14	20
Jul. 8		30	20	14	18
Jul. 9		28	12	17	16
Jul. 10		26	10	18	15
Jul. 11		37	20	19	14
Jul. 12		44	20		13
Jul. 13		50	25	18	13
Jul. 14		43		20	14
Jul. 15		44		29	15
Jul. 16		35		25	19
Jul. 17		33		29	16
Jul. 18		29		27	18
Jul. 19		29		23	27
Jul. 20		28		19	21
Jul. 21		25		17
Jul. 22		24		12
Jul. 23		22		25
Jul. 24		23		13
Jul. 25		26
Jul. 26		22			42
Jul. 27		27	27		30
Jul. 28		23			19
Jul. 29		25			16
Jul. 30		22			17
Jul. 31		24			28

AQI Trends: Highest and Lowest

Highest AQI recorded on

13th Jul 2024

50AQI

Lowest AQI recorded on

10th Jul 2023

10AQI

Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Ginowan, Okinawa, Japan

AQI

Day

Night

5 AM2nd Jul 2025

7 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

5PM2nd Jul

46AQI

Avg. Lowest Time

11AM2nd Jul

30AQI

Night time

Avg. Highest Time

8PM2nd Jul

36AQI

Avg. Lowest Time

4AM3rd Jul

32AQI

In the last 24 hours,

Ginowan's AQI reached its highest point of 46 at 5 PM during the Day, while the lowest point, 30, was recorded at 11 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Ginowan, Okinawa, Japan

JunJul

03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd

Day

Night

25°C23/27°C

21°C20/23°C

24°C22/26°C

26°C24/28°C

27°C25/29°C

27°C26/29°C

28°C27/30°C

29°C27/30°C

28°C27/30°C

29°C27/30°C

28°C26/30°C

28°C26/31°C

28°C27/31°C

28°C26/30°C

28°C26/31°C

29°C27/31°C

28°C27/31°C

28°C26/31°C

29°C27/32°C

29°C27/31°C

29°C26/31°C

29°C27/31°C

28°C26/30°C

5 AM

12 PM

7 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 8 AM

39AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

10 AM - 12 PM

29AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 39), while the lowest AQI was between 10 AM to 12 PM (Avg. 29).

Night time

Avg. Highest Time

2 AM - 4 AM

40AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

8 PM - 11 PM

30AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 40), while the lowest AQI was between 8 PM to 11 PM (Avg. 30).

2025 Days Vs Air Quality
Ginowan, Okinawa, Japan

2025

88%

161

12%

Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)

Good

161 Days

Moderate

21 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2025, 88% of 184 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights
Ginowan, Okinawa, Japan

AQI levels in 2025

AQI

PM2.5

PM10

SO2

NO2

Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

44AQI

42AQI

40AQI

41AQI

40AQI

34AQI

38AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202540AQI

161

Highest AQI recorded in

January

44AQI

Lowest AQI recorded in

June

34AQI

202433AQI

256

Highest AQI recorded in

June

46AQI

Lowest AQI recorded in

March

17AQI

202334AQI

214

Highest AQI recorded in

April

44AQI

Lowest AQI recorded in

December

17AQI

202231AQI

295

Highest AQI recorded in

August

38AQI

Lowest AQI recorded in

July

19AQI

202131AQI

335

Highest AQI recorded in

April

41AQI

Lowest AQI recorded in

July

22AQI

202032AQI

223

Highest AQI recorded in

August

45AQI

Lowest AQI recorded in

July

19AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

40AQI

Least Polluted Year Recorded

2022(Avg.)

31AQI

Ginowan's annual 2025 AQI (40) shows an average percentage change of 25.4% (worsened AQI) compared to previous years: 2020 (32), 2021 (31), 2022 (31), 2023 (34), 2024 (33).


5 AM	32
6 AM	34
7 AM	33
8 AM	33
9 AM	31
10 AM	34
11 AM	30
12 PM	39
1 PM	42
2 PM	40
3 PM	40
4 PM	40
5 PM	46
6 PM	43
7 PM	33
8 PM	36
9 PM	36
10 PM	36
11 PM	36
12 AM	36
1 AM	36
2 AM	35
3 AM	32
4 AM	32

Ginowan, Okinawa, Japan Historical Air Quality Analysis

July Air Quality AnalysisGinowan, Okinawa, Japan

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Ginowan, Okinawa, Japan

Day & Night AQI Trend : Jun - Jul 2025Ginowan, Okinawa, Japan

2025 Days Vs Air Quality Ginowan, Okinawa, Japan

Annual Air Quality InsightsGinowan, Okinawa, Japan

AQI levels in 2025

No. of days

July Air Quality Analysis
Ginowan, Okinawa, Japan

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Ginowan, Okinawa, Japan

Day & Night AQI Trend : Jun - Jul 2025
Ginowan, Okinawa, Japan

2025 Days Vs Air Quality
Ginowan, Okinawa, Japan

Annual Air Quality Insights
Ginowan, Okinawa, Japan