Torihama, Fukui, 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
Torihama, Fukui, Japan

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	41	28	18		60
Sep. 2	38	32	21	24	41
Sep. 3	34	31	29	27	20
Sep. 4	28	33	36	25	21
Sep. 5	23	45	28	22	26
Sep. 6	27	46	23	22	28
Sep. 7	31	60	28	35	29
Sep. 8	33	52	30	32	32
Sep. 9	36	29	27		26
Sep. 10	32	16	32	33	24
Sep. 11	28	20	22	46	37
Sep. 12	28	26	25	42	41
Sep. 13	29	33	33	50	38
Sep. 14		23	25	61	33
Sep. 15		18	25	57	28
Sep. 16		31	42	52	38
Sep. 17		28	49	30	33
Sep. 18		40	24	28	26
Sep. 19		41	38	42	35
Sep. 20		32	42	34	35
Sep. 21		20	30	35	40
Sep. 22		25	27	27	32
Sep. 23		26	31	18	47
Sep. 24		25	27	35	35
Sep. 25		33	33	38	28
Sep. 26		32	33	41	31
Sep. 27		37	41	42	31
Sep. 28		30	37	33	34
Sep. 29		29	35	27	39
Sep. 30		28	47	36	36

AQI Trends: Highest and Lowest

Highest AQI recorded on

14th Sep 2022

61AQI

Lowest AQI recorded on

10th Sep 2024

16AQI

Same Day Analysis (13th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 29 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Day & Night AQI Trend: 14th Sep - 15th Sep 2025
Torihama, Fukui, Japan

AQI

Day

Night

5 AM14th Sep 2025

6 PM

4 AM15th Sep 2025

Day time

Avg. Highest Time

12AMNaNth undefined

AQI

Avg. Lowest Time

12AMNaNth undefined

AQI

Night time

Avg. Highest Time

12PM14th Sep

36AQI

Avg. Lowest Time

2PM14th Sep

22AQI

In the last 24 hours,

Torihama's AQI reached its highest point of 36 at 12 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 14th Sep and 15th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Torihama, Fukui, Japan

AugSep

16th - 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 - 13th13th - 14th14th - 15th15th

Day

Night

27°C24/31°C

27°C25/31°C

27°C24/31°C

28°C25/32°C

28°C26/31°C

28°C25/32°C

28°C25/31°C

26°C24/29°C

26°C23/29°C

27°C25/31°C

28°C25/31°C

28°C24/32°C

29°C26/33°C

28°C26/33°C

27°C24/31°C

25°C24/27°C

25°C22/29°C

27°C24/31°C

26°C24/29°C

26°C24/30°C

25°C23/28°C

24°C23/28°C

25°C24/28°C

--°C/°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

12 PM - 6 PM

43AQI

7 hours / Day

210 hours / Month

Avg. Lowest Time

9 AM - 10 AM

40AQI

2 hours / Day

60 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 PM to 6 PM (Avg. 43), while the lowest AQI was between 9 AM to 10 AM (Avg. 40).

Night time

Avg. Highest Time

7 PM

43AQI

1 hours / Day

30 hours / Month

Avg. Lowest Time

12 AM

38AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 43), while the lowest AQI was between 12 AM to 12 AM (Avg. 38).

2025 Days Vs Air Quality
Torihama, Fukui, Japan

2025

77%

198

23%

Total number of days with different AQI categories in last 257 days in 2025 (108 days remaining)

Good

198 Days

Moderate

58 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 77%

Health Risk Level:

Low

In 2025, 77% of 257 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
Torihama, Fukui, 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.

32AQI

35AQI

43AQI

41AQI

43AQI

54AQI

46AQI

31AQI

No. of days

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

202542AQI

198

Highest AQI recorded in

July

54AQI

Lowest AQI recorded in

September

31AQI

202433AQI

256

Highest AQI recorded in

June

42AQI

Lowest AQI recorded in

January

26AQI

202335AQI

308

Highest AQI recorded in

April

48AQI

Lowest AQI recorded in

August

27AQI

202238AQI

259

Highest AQI recorded in

May

47AQI

Lowest AQI recorded in

December

31AQI

202136AQI

312

Highest AQI recorded in

June

44AQI

Lowest AQI recorded in

January

30AQI

202034AQI

219

Highest AQI recorded in

August

56AQI

Lowest AQI recorded in

July

24AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

42AQI

Least Polluted Year Recorded

2024(Avg.)

33AQI

Torihama's annual 2025 AQI (42) shows an average percentage change of 17.9% (worsened AQI) compared to previous years: 2020 (34), 2021 (36), 2022 (38), 2023 (35), 2024 (33).


5 AM	31
6 AM	32
7 AM	31
8 AM	32
9 AM	30
10 AM	22
11 AM	27
12 PM	36
1 PM	27
2 PM	22
3 PM	30
4 PM	34
5 PM	36
6 PM	36
7 PM	33
8 PM	32
9 PM	33
10 PM	34
11 PM	29
12 AM	33
1 AM
2 AM
3 AM
4 AM

Torihama, Fukui, Japan Historical Air Quality Analysis

September Air Quality AnalysisTorihama, Fukui, Japan

Day & Night AQI Trend: 14th Sep - 15th Sep 2025Torihama, Fukui, Japan

Day & Night AQI Trend : Aug - Sep 2025Torihama, Fukui, Japan

2025 Days Vs Air Quality Torihama, Fukui, Japan

Annual Air Quality InsightsTorihama, Fukui, Japan

AQI levels in 2025

No. of days

September Air Quality Analysis
Torihama, Fukui, Japan

Day & Night AQI Trend: 14th Sep - 15th Sep 2025
Torihama, Fukui, Japan

Day & Night AQI Trend : Aug - Sep 2025
Torihama, Fukui, Japan

2025 Days Vs Air Quality
Torihama, Fukui, Japan

Annual Air Quality Insights
Torihama, Fukui, Japan