Jincheng, Kinmen, Taiwan 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
Jincheng, Kinmen, Taiwan

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	58	54	38		45
Sep. 2	64	77	37	60	37
Sep. 3	60	57	30	49	34
Sep. 4	59	44	15	42	23
Sep. 5	60	38	22	48	40
Sep. 6	58	25	26	61	37
Sep. 7	51	32	44	66	44
Sep. 8	46	28	46	70	53
Sep. 9	45	31	45		40
Sep. 10	54	77	49	82	33
Sep. 11	56	87	52	71	33
Sep. 12	53	83	50	88	27
Sep. 13	54	34	53	108	47
Sep. 14	53	36	46	98	63
Sep. 15	58	46	31	63	68
Sep. 16	55	50	41	66	58
Sep. 17		27	81	53	71
Sep. 18		36	33	74	62
Sep. 19		46	38	111	57
Sep. 20		35	44	73	47
Sep. 21		37	53	61	36
Sep. 22		24	46	44	38
Sep. 23		29	36	60	45
Sep. 24		30	36	66	51
Sep. 25		46	43	51	58
Sep. 26		46	43	50	62
Sep. 27		46	49	32	60
Sep. 28		40	52	49	65
Sep. 29		47	53	54	70
Sep. 30		40	51	54	74

AQI Trends: Highest and Lowest

Highest AQI recorded on

19th Sep 2022

111AQI

Lowest AQI recorded on

4th Sep 2023

15AQI

Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 55 of Moderate air quality, showing improvement over 2022 and 2021 on the same day.

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Jincheng, Kinmen, Taiwan

AQI

Day

Night

5 AM16th Sep 2025

6 PM

4 AM17th Sep 2025

Day time

Avg. Highest Time

10AM16th Sep

68AQI

Avg. Lowest Time

5PM16th Sep

27AQI

Night time

Avg. Highest Time

1AM17th Sep

62AQI

Avg. Lowest Time

7PM16th Sep

46AQI

In the last 24 hours,

Jincheng's AQI reached its highest point of 68 at 10 AM during the Day, while the lowest point, 27, was recorded at 5 PM during the Day between 16th Sep and 17th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Jincheng, Kinmen, Taiwan

AugSep

18th - 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 - 16th16th - 17th17th

Day

Night

27°C27/28°C

28°C27/28°C

27°C26/28°C

28°C27/29°C

28°C28/30°C

28°C28/29°C

28°C28/30°C

28°C27/30°C

28°C27/29°C

29°C28/30°C

28°C28/29°C

28°C27/29°C

28°C28/29°C

28°C27/28°C

28°C27/29°C

28°C28/29°C

29°C28/31°C

29°C28/29°C

28°C28/29°C

28°C27/29°C

28°C28/29°C

28°C27/29°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

8 AM - 11 AM

64AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

4 PM - 6 PM

53AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 AM to 11 AM (Avg. 64), while the lowest AQI was between 4 PM to 6 PM (Avg. 53).

Night time

Avg. Highest Time

12 AM - 4 AM

58AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

12 AM - 11 PM

58AQI

10 hours / Day

300 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 58), while the lowest AQI was between 12 AM to 11 PM (Avg. 58).

2025 Days Vs Air Quality
Jincheng, Kinmen, Taiwan

2025

29%

68%

175

Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)

Good

74 Days

Moderate

175 Days

Poor

10 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 29%

Health Risk Level:

Very high

In 2025, 29% of 260 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights
Jincheng, Kinmen, Taiwan

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.

82AQI

79AQI

70AQI

74AQI

64AQI

46AQI

51AQI

48AQI

55AQI

No. of days

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

202564AQI

175

Highest AQI recorded in

January

82AQI

Lowest AQI recorded in

June

46AQI

202462AQI

142

188

Highest AQI recorded in

January

99AQI

Lowest AQI recorded in

July

36AQI

202362AQI

117

217

Highest AQI recorded in

March

82AQI

Lowest AQI recorded in

July

33AQI

202257AQI

142

153

Highest AQI recorded in

March

81AQI

Lowest AQI recorded in

August

24AQI

202162AQI

139

194

Highest AQI recorded in

January

93AQI

Lowest AQI recorded in

August

38AQI

202055AQI

107

146

Highest AQI recorded in

March

82AQI

Lowest AQI recorded in

June

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

64AQI

Least Polluted Year Recorded

2020(Avg.)

55AQI

Jincheng's annual 2025 AQI (64) shows an average percentage change of 6.9% (worsened AQI) compared to previous years: 2020 (55), 2021 (62), 2022 (57), 2023 (62), 2024 (62).


5 AM	63
6 AM	63
7 AM	63
8 AM	66
9 AM	64
10 AM	68
11 AM	61
12 PM	59
1 PM	61
2 PM	51
3 PM	35
4 PM	27
5 PM	27
6 PM	28
7 PM	46
8 PM	52
9 PM	54
10 PM	57
11 PM	54
12 AM	58
1 AM	62
2 AM	62
3 AM	62
4 AM	62

Jincheng, Kinmen, Taiwan Historical Air Quality Analysis

September Air Quality AnalysisJincheng, Kinmen, Taiwan

Day & Night AQI Trend: 16th Sep - 17th Sep 2025Jincheng, Kinmen, Taiwan

Day & Night AQI Trend : Aug - Sep 2025Jincheng, Kinmen, Taiwan

2025 Days Vs Air Quality Jincheng, Kinmen, Taiwan

Annual Air Quality InsightsJincheng, Kinmen, Taiwan

AQI levels in 2025

No. of days

September Air Quality Analysis
Jincheng, Kinmen, Taiwan

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Jincheng, Kinmen, Taiwan

Day & Night AQI Trend : Aug - Sep 2025
Jincheng, Kinmen, Taiwan

2025 Days Vs Air Quality
Jincheng, Kinmen, Taiwan

Annual Air Quality Insights
Jincheng, Kinmen, Taiwan