Yangmei, Taoyuan, 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
Yangmei, Taoyuan, Taiwan

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	50	63	35		61
Sep. 2	45	58	37	65	59
Sep. 3	50	48	22	51	35
Sep. 4	50	32	24	37	43
Sep. 5	48	34	37	63	38
Sep. 6	52	54	41	66	46
Sep. 7	42	44	33	55	41
Sep. 8	37	34	31	56	35
Sep. 9	40	45	39	80	40
Sep. 10	42	76	40	44	42
Sep. 11	40	82	50	55	36
Sep. 12	45	65	62	47	27
Sep. 13	40	32	74	45	35
Sep. 14	44	25	68	64	26
Sep. 15	43	35	58	89	40
Sep. 16	48	30	59	79	62
Sep. 17		32	65	69	69
Sep. 18		36	60	89	55
Sep. 19		34	48	82	44
Sep. 20		50	54	70	53
Sep. 21		25	59	51	43
Sep. 22		31	40	44	35
Sep. 23		33	27	48	45
Sep. 24		33	27	68	42
Sep. 25		36	34	48	60
Sep. 26		47	49	49	55
Sep. 27		38	45	31	42
Sep. 28		45	40	48	52
Sep. 29		29	58	60	51
Sep. 30		28	40	69	62

AQI Trends: Highest and Lowest

Highest AQI recorded on

15th Sep 2022

89AQI

Lowest AQI recorded on

3rd Sep 2023

22AQI

Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 48 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Yangmei, Taoyuan, Taiwan

AQI

Day

Night

5 AM16th Sep 2025

6 PM

4 AM17th Sep 2025

Day time

Avg. Highest Time

5AM16th Sep

50AQI

Avg. Lowest Time

2PM16th Sep

31AQI

Night time

Avg. Highest Time

1AM17th Sep

50AQI

Avg. Lowest Time

6PM16th Sep

34AQI

In the last 24 hours,

Yangmei's AQI reached its highest point of 50 at 5 AM during the Day, while the lowest point, 31, was recorded at 2 PM during the Day between 16th Sep and 17th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Yangmei, Taoyuan, 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

28°C26/31°C

28°C26/32°C

29°C26/32°C

29°C26/33°C

30°C27/33°C

29°C26/33°C

28°C26/31°C

29°C25/34°C

29°C26/33°C

29°C26/32°C

28°C26/31°C

28°C26/30°C

29°C26/32°C

29°C26/33°C

28°C26/30°C

28°C25/32°C

28°C26/31°C

29°C26/32°C

28°C25/32°C

28°C26/31°C

29°C26/32°C

29°C26/33°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

5 AM - 7 AM

46AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

5 PM

34AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 46), while the lowest AQI was between 5 PM to 5 PM (Avg. 34).

Night time

Avg. Highest Time

1 AM - 4 AM

47AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

7 PM - 11 PM

43AQI

5 hours / Day

150 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 47), while the lowest AQI was between 7 PM to 11 PM (Avg. 43).

2025 Days Vs Air Quality
Yangmei, Taoyuan, Taiwan

2025

52%

134

47%

123

0.7%

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

Good

134 Days

Moderate

123 Days

Poor

2 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 52%

Health Risk Level:

Considerable

In 2025, 52% of 260 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights
Yangmei, Taoyuan, 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.

65AQI

61AQI

62AQI

65AQI

52AQI

37AQI

42AQI

41AQI

45AQI

No. of days

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

202552AQI

134

123

Highest AQI recorded in

January

65AQI

Lowest AQI recorded in

June

37AQI

202452AQI

201

159

Highest AQI recorded in

March

70AQI

Lowest AQI recorded in

July

31AQI

202353AQI

188

168

Highest AQI recorded in

April

68AQI

Lowest AQI recorded in

July

36AQI

202248AQI

196

122

Highest AQI recorded in

March

69AQI

Lowest AQI recorded in

July

32AQI

202151AQI

212

143

Highest AQI recorded in

February

76AQI

Lowest AQI recorded in

July

37AQI

202046AQI

164

Highest AQI recorded in

March

65AQI

Lowest AQI recorded in

June

27AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2023(Avg.)

53AQI

Least Polluted Year Recorded

2020(Avg.)

46AQI

Yangmei's annual 2025 AQI (52) shows an average percentage change of 4.7% (worsened AQI) compared to previous years: 2020 (46), 2021 (51), 2022 (48), 2023 (53), 2024 (52).


5 AM	50
6 AM	50
7 AM	50
8 AM	49
9 AM	44
10 AM	40
11 AM	49
12 PM	39
1 PM	34
2 PM	31
3 PM	36
4 PM	44
5 PM	33
6 PM	34
7 PM	42
8 PM	47
9 PM	40
10 PM	46
11 PM	41
12 AM	47
1 AM	50
2 AM	50
3 AM	50
4 AM	48

Yangmei, Taoyuan, Taiwan Historical Air Quality Analysis

September Air Quality AnalysisYangmei, Taoyuan, Taiwan

Day & Night AQI Trend: 16th Sep - 17th Sep 2025Yangmei, Taoyuan, Taiwan

Day & Night AQI Trend : Aug - Sep 2025Yangmei, Taoyuan, Taiwan

2025 Days Vs Air Quality Yangmei, Taoyuan, Taiwan

Annual Air Quality InsightsYangmei, Taoyuan, Taiwan

AQI levels in 2025

No. of days

September Air Quality Analysis
Yangmei, Taoyuan, Taiwan

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Yangmei, Taoyuan, Taiwan

Day & Night AQI Trend : Aug - Sep 2025
Yangmei, Taoyuan, Taiwan

2025 Days Vs Air Quality
Yangmei, Taoyuan, Taiwan

Annual Air Quality Insights
Yangmei, Taoyuan, Taiwan