Pingzhen, 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
Pingzhen, Taoyuan, Taiwan

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	52	57	17		72
Sep. 2	52	57	21	39	66
Sep. 3	56	40	22	26	58
Sep. 4	51	25	21	26	45
Sep. 5	55	31	33	52	34
Sep. 6	56	51	31	50	41
Sep. 7	47	43	23	42	46
Sep. 8	41	35	27	53	48
Sep. 9	44	30	36	84	41
Sep. 10	44	66	35	39	40
Sep. 11	47	74	45	36	30
Sep. 12	49	49	68	29	24
Sep. 13	46	21	69	41	36
Sep. 14	49	23	75	54	33
Sep. 15	48	30	68	76	45
Sep. 16	46	30	55	67	57
Sep. 17	50	27	66	59	64
Sep. 18		24	58	64	60
Sep. 19		37	49	77	58
Sep. 20		48	65	61	62
Sep. 21		22	66	43	51
Sep. 22		22	20	40	42
Sep. 23		29	15	43	51
Sep. 24		33	26	48	30
Sep. 25		29	23	32	51
Sep. 26		42	37	21	53
Sep. 27		41	37	19	41
Sep. 28		38	27	35	44
Sep. 29		16	40	59	57
Sep. 30		19	28	78	60

AQI Trends: Highest and Lowest

Highest AQI recorded on

9th Sep 2022

84AQI

Lowest AQI recorded on

23rd Sep 2023

15AQI

Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 50 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Pingzhen, Taoyuan, Taiwan

AQI

Day

Night

5 AM17th Sep 2025

6 PM

4 AM18th Sep 2025

Day time

Avg. Highest Time

1PM17th Sep

60AQI

Avg. Lowest Time

10AM17th Sep

36AQI

Night time

Avg. Highest Time

6PM17th Sep

56AQI

Avg. Lowest Time

9PM17th Sep

42AQI

In the last 24 hours,

Pingzhen's AQI reached its highest point of 60 at 1 PM during the Day, while the lowest point, 36, was recorded at 10 AM during the Day between 17th Sep and 18th Sep 2025.

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

AugSep

19th - 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 - 18th18th

Day

Night

28°C25/33°C

29°C25/34°C

29°C25/35°C

29°C26/34°C

30°C26/34°C

29°C26/34°C

28°C25/33°C

29°C25/35°C

29°C25/33°C

28°C26/31°C

29°C25/33°C

28°C25/33°C

29°C25/33°C

30°C26/35°C

28°C26/31°C

28°C25/33°C

29°C26/33°C

29°C25/34°C

28°C25/32°C

29°C25/33°C

28°C25/33°C

29°C25/33°C

29°C25/34°C

29°C26/34°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

5 AM - 7 AM

48AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

5 PM - 6 PM

44AQI

2 hours / Day

60 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 48), while the lowest AQI was between 5 PM to 6 PM (Avg. 44).

Night time

Avg. Highest Time

1 AM - 4 AM

48AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

11 PM

44AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 48), while the lowest AQI was between 11 PM to 11 PM (Avg. 44).

2025 Days Vs Air Quality
Pingzhen, Taoyuan, Taiwan

2025

54%

140

46%

119

0.3%

Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)

Good

140 Days

Moderate

119 Days

Poor

1 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 54%

Health Risk Level:

Considerable

In 2025, 54% of 261 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights
Pingzhen, 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.

61AQI

56AQI

61AQI

64AQI

52AQI

40AQI

44AQI

49AQI

No. of days

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

202552AQI

140

119

Highest AQI recorded in

April

64AQI

Lowest AQI recorded in

June

40AQI

202449AQI

224

136

Highest AQI recorded in

March

67AQI

Lowest AQI recorded in

July

31AQI

202350AQI

216

144

Highest AQI recorded in

April

67AQI

Lowest AQI recorded in

July

36AQI

202244AQI

230

Highest AQI recorded in

March

63AQI

Lowest AQI recorded in

June

31AQI

202153AQI

196

160

Highest AQI recorded in

March

77AQI

Lowest AQI recorded in

June

36AQI

202047AQI

186

Highest AQI recorded in

March

65AQI

Lowest AQI recorded in

June

35AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2021(Avg.)

53AQI

Least Polluted Year Recorded

2022(Avg.)

44AQI

Pingzhen's annual 2025 AQI (52) shows an average percentage change of 8.1% (worsened AQI) compared to previous years: 2020 (47), 2021 (53), 2022 (44), 2023 (50), 2024 (49).


5 AM	50
6 AM	50
7 AM	50
8 AM	40
9 AM	37
10 AM	36
11 AM	45
12 PM	54
1 PM	60
2 PM	55
3 PM	57
4 PM	59
5 PM	56
6 PM	56
7 PM	49
8 PM	52
9 PM	42
10 PM	44
11 PM	44
12 AM	44
1 AM	46
2 AM	52
3 AM	52
4 AM	52

Pingzhen, Taoyuan, Taiwan Historical Air Quality Analysis

September Air Quality AnalysisPingzhen, Taoyuan, Taiwan

Day & Night AQI Trend: 17th Sep - 18th Sep 2025Pingzhen, Taoyuan, Taiwan

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

2025 Days Vs Air Quality Pingzhen, Taoyuan, Taiwan

Annual Air Quality InsightsPingzhen, Taoyuan, Taiwan

AQI levels in 2025

No. of days

September Air Quality Analysis
Pingzhen, Taoyuan, Taiwan

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Pingzhen, Taoyuan, Taiwan

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

2025 Days Vs Air Quality
Pingzhen, Taoyuan, Taiwan

Annual Air Quality Insights
Pingzhen, Taoyuan, Taiwan