Shinjo, Funato, Wakayama, 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+

September Air Quality Analysis
Shinjo, Funato, Wakayama, Japan

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	40	30	24		60
Sep. 2	33	42	24	20	68
Sep. 3	39	58	52	30	19
Sep. 4	28	57	51	26	38
Sep. 5	23	50	19	24	29
Sep. 6	26	56	27	21	44
Sep. 7		75	26	34	33
Sep. 8		75	33	31	25
Sep. 9		65	45		32
Sep. 10		34	45	30	43
Sep. 11		24	31	46	52
Sep. 12		34	30	49	45
Sep. 13		32	28	44	49
Sep. 14		35	25	52	38
Sep. 15		26	26	53	27
Sep. 16		35	30	46	49
Sep. 17		32	32	40	33
Sep. 18		34	36	38	26
Sep. 19		36	52	38	31
Sep. 20		26	66	38	39
Sep. 21		24	56	31	39
Sep. 22		26	34	36	31
Sep. 23		29	29	17	56
Sep. 24		32	29	35	56
Sep. 25		48	40	43	44
Sep. 26		52	44	49	27
Sep. 27		33	46	52	34
Sep. 28		41	50	39	47
Sep. 29		47	42	31	57
Sep. 30		44	56	44	57

AQI Trends: Highest and Lowest

Highest AQI recorded on

7th Sep 2024

75AQI

Lowest AQI recorded on

23rd Sep 2022

17AQI

Same Day Analysis (6th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Day & Night AQI Trend: 6th Sep - 7th Sep 2025
Shinjo, Funato, Wakayama, Japan

AQI

Day

Night

5 AM6th Sep 2025

6 PM

4 AM7th Sep 2025

Day time

Avg. Highest Time

11AM6th Sep

32AQI

Avg. Lowest Time

9AM6th Sep

24AQI

Night time

Avg. Highest Time

8PM6th Sep

29AQI

Avg. Lowest Time

4AM7th Sep

24AQI

In the last 24 hours,

Shinjo's AQI reached its highest point of 32 at 11 AM during the Day, while the lowest point, 24, was recorded at 4 AM during the Night between 6th Sep and 7th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Shinjo, Funato, Wakayama, Japan

AugSep

08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th

Day

Night

27°C24/30°C

25°C23/27°C

25°C24/26°C

26°C25/27°C

25°C24/26°C

28°C25/30°C

28°C25/31°C

27°C24/30°C

27°C24/29°C

27°C25/30°C

27°C25/31°C

28°C25/31°C

28°C25/32°C

28°C25/30°C

28°C26/30°C

27°C25/31°C

28°C25/31°C

27°C25/31°C

27°C25/30°C

28°C25/32°C

28°C26/32°C

28°C25/31°C

27°C25/31°C

24°C23/25°C

26°C24/28°C

26°C23/30°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

1 PM - 6 PM

47AQI

6 hours / Day

180 hours / Month

Avg. Lowest Time

9 AM

40AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 PM to 6 PM (Avg. 47), while the lowest AQI was between 9 AM to 9 AM (Avg. 40).

Night time

Avg. Highest Time

2 AM - 8 PM

44AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

11 PM

40AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 2 AM to 8 PM (Avg. 44), while the lowest AQI was between 11 PM to 11 PM (Avg. 40).

2025 Days Vs Air Quality
Shinjo, Funato, Wakayama, Japan

2025

71%

177

29%

Total number of days with different AQI categories in last 250 days in 2025 (115 days remaining)

Good

177 Days

Moderate

72 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 71%

Health Risk Level:

Low

In 2025, 71% of 250 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
Shinjo, Funato, Wakayama, 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.

39AQI

38AQI

46AQI

45AQI

42AQI

46AQI

50AQI

48AQI

32AQI

No. of days

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

202544AQI

177

Highest AQI recorded in

July

50AQI

Lowest AQI recorded in

September

32AQI

202440AQI

301

Highest AQI recorded in

April

51AQI

Lowest AQI recorded in

December

32AQI

202342AQI

267

Highest AQI recorded in

April

50AQI

Lowest AQI recorded in

August

32AQI

202242AQI

238

Highest AQI recorded in

March

49AQI

Lowest AQI recorded in

August

29AQI

202140AQI

272

Highest AQI recorded in

May

44AQI

Lowest AQI recorded in

August

35AQI

202040AQI

191

Highest AQI recorded in

August

55AQI

Lowest AQI recorded in

November

33AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

44AQI

Least Polluted Year Recorded

2024(Avg.)

40AQI

Shinjo's annual 2025 AQI (44) shows an average percentage change of 7.9% (worsened AQI) compared to previous years: 2020 (40), 2021 (40), 2022 (42), 2023 (42), 2024 (40).


5 AM	26
6 AM	27
7 AM	26
8 AM	27
9 AM	24
10 AM	29
11 AM	32
12 PM	27
1 PM	29
2 PM	25
3 PM	26
4 PM	31
5 PM	31
6 PM	30
7 PM	25
8 PM	29
9 PM	26
10 PM	26
11 PM	25
12 AM	28
1 AM	24
2 AM	24
3 AM	24
4 AM	24

Shinjo, Funato, Wakayama, Japan Historical Air Quality Analysis

September Air Quality AnalysisShinjo, Funato, Wakayama, Japan

Day & Night AQI Trend: 6th Sep - 7th Sep 2025Shinjo, Funato, Wakayama, Japan

Day & Night AQI Trend : Aug - Sep 2025Shinjo, Funato, Wakayama, Japan

2025 Days Vs Air Quality Shinjo, Funato, Wakayama, Japan

Annual Air Quality InsightsShinjo, Funato, Wakayama, Japan

AQI levels in 2025

No. of days

September Air Quality Analysis
Shinjo, Funato, Wakayama, Japan

Day & Night AQI Trend: 6th Sep - 7th Sep 2025
Shinjo, Funato, Wakayama, Japan

Day & Night AQI Trend : Aug - Sep 2025
Shinjo, Funato, Wakayama, Japan

2025 Days Vs Air Quality
Shinjo, Funato, Wakayama, Japan

Annual Air Quality Insights
Shinjo, Funato, Wakayama, Japan