Urashi, Fukuoka, Fukuoka, 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
Urashi, Fukuoka, Fukuoka, Japan

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	39	29	20		43
Sep. 2	39	36	34	27	33
Sep. 3	41	43	44	25	26
Sep. 4	26	39	30	24	34
Sep. 5	28	55	36	17	32
Sep. 6	33	77	32	29	38
Sep. 7	38	69	38	38	40
Sep. 8	35	63	32	38	36
Sep. 9	31	65	31		30
Sep. 10	31	34	45	39	36
Sep. 11	34	30	51	42	33
Sep. 12		38	54	41	42
Sep. 13		36	50	44	57
Sep. 14		26	21	51	20
Sep. 15		23	27	43	28
Sep. 16		23	34	37	37
Sep. 17		32	30	35	28
Sep. 18		34	35	41	34
Sep. 19		34	30	39	35
Sep. 20		26	41	38	46
Sep. 21		29	31	30	50
Sep. 22		27	24	43	51
Sep. 23		29	27	46	58
Sep. 24		30	35	35	34
Sep. 25		36	35	37	39
Sep. 26		46	42	54	44
Sep. 27		32	45	42	41
Sep. 28		35	42	29	43
Sep. 29		35	42	24	38
Sep. 30		43	52	32	34

AQI Trends: Highest and Lowest

Highest AQI recorded on

6th Sep 2024

77AQI

Lowest AQI recorded on

5th Sep 2022

17AQI

Same Day Analysis (11th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2023 and 2022 on the same day.

Day & Night AQI Trend: 11th Sep - 12th Sep 2025
Urashi, Fukuoka, Fukuoka, Japan

AQI

Day

Night

5 AM11th Sep 2025

6 PM

4 AM12th Sep 2025

Day time

Avg. Highest Time

6PM11th Sep

44AQI

Avg. Lowest Time

9AM11th Sep

21AQI

Night time

Avg. Highest Time

11PM11th Sep

44AQI

Avg. Lowest Time

4AM12th Sep

33AQI

In the last 24 hours,

Urashi's AQI reached its highest point of 44 at 6 PM during the Day, while the lowest point, 21, was recorded at 9 AM during the Day between 11th Sep and 12th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Urashi, Fukuoka, Fukuoka, Japan

AugSep

13th - 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 - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th

Day

Night

28°C25/31°C

28°C25/32°C

29°C25/33°C

28°C26/31°C

27°C24/31°C

28°C24/32°C

28°C24/33°C

27°C24/31°C

28°C25/32°C

27°C24/31°C

28°C24/32°C

28°C25/31°C

28°C24/32°C

28°C24/33°C

28°C25/33°C

28°C24/32°C

28°C24/33°C

28°C25/32°C

28°C24/32°C

27°C25/31°C

27°C25/30°C

28°C24/32°C

29°C25/33°C

28°C25/32°C

27°C25/31°C

26°C25/27°C

26°C24/30°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

2 PM - 6 PM

43AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

9 AM

36AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 2 PM to 6 PM (Avg. 43), while the lowest AQI was between 9 AM to 9 AM (Avg. 36).

Night time

Avg. Highest Time

12 AM - 7 PM

41AQI

6 hours / Day

180 hours / Month

Avg. Lowest Time

8 PM - 11 PM

40AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 7 PM (Avg. 41), while the lowest AQI was between 8 PM to 11 PM (Avg. 40).

2025 Days Vs Air Quality
Urashi, Fukuoka, Fukuoka, Japan

2025

75%

190

25%

Total number of days with different AQI categories in last 255 days in 2025 (110 days remaining)

Good

190 Days

Moderate

64 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 75%

Health Risk Level:

Low

In 2025, 75% of 255 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
Urashi, Fukuoka, Fukuoka, 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.

47AQI

39AQI

50AQI

46AQI

45AQI

37AQI

46AQI

44AQI

34AQI

No. of days

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

202544AQI

190

Highest AQI recorded in

March

50AQI

Lowest AQI recorded in

September

34AQI

202440AQI

297

Highest AQI recorded in

April

52AQI

Lowest AQI recorded in

July

24AQI

202343AQI

269

Highest AQI recorded in

March

53AQI

Lowest AQI recorded in

August

35AQI

202250AQI

192

118

Highest AQI recorded in

June

65AQI

Lowest AQI recorded in

September

36AQI

202144AQI

258

104

Highest AQI recorded in

March

52AQI

Lowest AQI recorded in

August

34AQI

202042AQI

187

Highest AQI recorded in

August

62AQI

Lowest AQI recorded in

July

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2022(Avg.)

50AQI

Least Polluted Year Recorded

2024(Avg.)

40AQI

Urashi's annual 2025 AQI (44) shows an average percentage change of 0.8% (worsened AQI) compared to previous years: 2020 (42), 2021 (44), 2022 (50), 2023 (43), 2024 (40).


5 AM	34
6 AM	32
7 AM	34
8 AM	33
9 AM	21
10 AM	27
11 AM	23
12 PM	28
1 PM	34
2 PM	40
3 PM	40
4 PM	38
5 PM	40
6 PM	44
7 PM	38
8 PM	39
9 PM	39
10 PM	38
11 PM	44
12 AM	38
1 AM	34
2 AM	35
3 AM	36
4 AM	33

Urashi, Fukuoka, Fukuoka, Japan Historical Air Quality Analysis

September Air Quality AnalysisUrashi, Fukuoka, Fukuoka, Japan

Day & Night AQI Trend: 11th Sep - 12th Sep 2025Urashi, Fukuoka, Fukuoka, Japan

Day & Night AQI Trend : Aug - Sep 2025Urashi, Fukuoka, Fukuoka, Japan

2025 Days Vs Air Quality Urashi, Fukuoka, Fukuoka, Japan

Annual Air Quality InsightsUrashi, Fukuoka, Fukuoka, Japan

AQI levels in 2025

No. of days

September Air Quality Analysis
Urashi, Fukuoka, Fukuoka, Japan

Day & Night AQI Trend: 11th Sep - 12th Sep 2025
Urashi, Fukuoka, Fukuoka, Japan

Day & Night AQI Trend : Aug - Sep 2025
Urashi, Fukuoka, Fukuoka, Japan

2025 Days Vs Air Quality
Urashi, Fukuoka, Fukuoka, Japan

Annual Air Quality Insights
Urashi, Fukuoka, Fukuoka, Japan