Qujiezhen, Zhanjiang, Guangdong Province, China 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
Qujiezhen, Zhanjiang, Guangdong Province, China

2025

AQI

Days

Days	2025
Sep. 1	36
Sep. 2	39
Sep. 3	38
Sep. 4	41
Sep. 5	35
Sep. 6	34
Sep. 7	46
Sep. 8	46
Sep. 9	39
Sep. 10	37
Sep. 11	35
Sep. 12	32
Sep. 13	34
Sep. 14	32
Sep. 15	32
Sep. 16	31
Sep. 17	30
Sep. 18	34
Sep. 19	36
Sep. 20	41
Sep. 21	46
Sep. 22	42
Sep. 23	47
Sep. 24	47
Sep. 25	51
Sep. 26	57
Sep. 27	55
Sep. 28	51
Sep. 29	41
Sep. 30

AQI Trends: Highest and Lowest

Highest AQI recorded on

26th Sep 2025

57AQI

Lowest AQI recorded on

17th Sep 2025

30AQI

Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Qujiezhen, Zhanjiang, Guangdong Province, China

AQI

Day

Night

4 AM29th Sep 2025

4 PM

3 AM30th Sep 2025

Day time

Avg. Highest Time

4PM29th Sep

67AQI

Avg. Lowest Time

5AM29th Sep

26AQI

Night time

Avg. Highest Time

5PM29th Sep

66AQI

Avg. Lowest Time

1AM30th Sep

28AQI

In the last 24 hours,

Qujiezhen's AQI reached its highest point of 67 at 4 PM during the Day, while the lowest point, 26, was recorded at 5 AM during the Day between 29th Sep and 30th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Qujiezhen, Zhanjiang, Guangdong Province, China

AugSep

31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th

Day

Night

28°C26/29°C

28°C26/30°C

28°C27/30°C

28°C27/31°C

28°C27/30°C

28°C27/31°C

28°C27/29°C

28°C26/31°C

28°C26/30°C

28°C26/31°C

28°C26/30°C

28°C26/31°C

28°C26/30°C

27°C26/30°C

28°C27/30°C

28°C26/30°C

28°C27/30°C

28°C26/30°C

28°C26/31°C

26°C25/28°C

27°C25/30°C

27°C26/28°C

28°C27/30°C

26°C26/27°C

27°C27/28°C

4 AM

10 AM

4 PM

10 PM

3 AM

--°C/°C

Day time

Avg. Highest Time

6 AM - 7 AM

44AQI

2 hours / Day

60 hours / Month

Avg. Lowest Time

12 PM - 4 PM

35AQI

5 hours / Day

150 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 44), while the lowest AQI was between 12 PM to 4 PM (Avg. 35).

Night time

Avg. Highest Time

7 PM - 11 PM

42AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

5 PM

36AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 42), while the lowest AQI was between 5 PM to 5 PM (Avg. 36).

2025 Days Vs Air Quality
Qujiezhen, Zhanjiang, Guangdong Province, China

2025

68%

32%

Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)

Good

84 Days

Moderate

40 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 68%

Health Risk Level:

Moderate

In 2025, 68% of 273 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.

Annual Air Quality Insights
Qujiezhen, Zhanjiang, Guangdong Province, China

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.

50AQI

45AQI

48AQI

45AQI

40AQI

No. of days

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

202545AQI

Highest AQI recorded in

May

50AQI

Lowest AQI recorded in

September

40AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded

2025(Avg.)

45AQI

Least Polluted Year Recorded

2025(Avg.)

45AQI

Qujiezhen's annual 2025 AQI (45) shows an average percentage change of NaN% (improved AQI) compared to previous years: .


4 AM	32
5 AM	26
6 AM	42
7 AM	56
8 AM	51
9 AM	36
10 AM	39
11 AM	56
12 PM	45
1 PM	52
2 PM	44
3 PM	54
4 PM	67
5 PM	66
6 PM	59
7 PM	54
8 PM	54
9 PM	55
10 PM	49
11 PM	44
12 AM	34
1 AM	28
2 AM	47
3 AM	46

Qujiezhen, Zhanjiang, Guangdong Province, China Historical Air Quality Analysis

September Air Quality AnalysisQujiezhen, Zhanjiang, Guangdong Province, China

Day & Night AQI Trend: 29th Sep - 30th Sep 2025Qujiezhen, Zhanjiang, Guangdong Province, China

Day & Night AQI Trend : Aug - Sep 2025Qujiezhen, Zhanjiang, Guangdong Province, China

2025 Days Vs Air Quality Qujiezhen, Zhanjiang, Guangdong Province, China

Annual Air Quality InsightsQujiezhen, Zhanjiang, Guangdong Province, China

AQI levels in 2025

No. of days

September Air Quality Analysis
Qujiezhen, Zhanjiang, Guangdong Province, China

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Qujiezhen, Zhanjiang, Guangdong Province, China

Day & Night AQI Trend : Aug - Sep 2025
Qujiezhen, Zhanjiang, Guangdong Province, China

2025 Days Vs Air Quality
Qujiezhen, Zhanjiang, Guangdong Province, China

Annual Air Quality Insights
Qujiezhen, Zhanjiang, Guangdong Province, China