Jiaxing University, Jiaxing, Zhejiang, 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+

July Air Quality Analysis
Jiaxing University, Jiaxing, Zhejiang, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	48	83	62	44	59
Jul. 2	53	34	91	33	55
Jul. 3		53	60	40	70
Jul. 4		56	48	49	82
Jul. 5		64	68	72	86
Jul. 6		66	67	54	87
Jul. 7		65	58	60	88
Jul. 8		66	80	63	89
Jul. 9		61	73	62	90
Jul. 10		67	70	66	88
Jul. 11		68	79	59	114
Jul. 12		48	87		97
Jul. 13		71	80		84
Jul. 14		63	90	100	71
Jul. 15		108	76	106	55
Jul. 16		39	51	131	40
Jul. 17		57	25	69	39
Jul. 18		59	56	67	55
Jul. 19		48	55	81	54
Jul. 20		59	41	62	56
Jul. 21		74	64		53
Jul. 22		52	40	70	52
Jul. 23		39	59	68	51
Jul. 24		40	70	97	51
Jul. 25		43	42		23
Jul. 26		33	35		15
Jul. 27		32	26		48
Jul. 28		32	29		63
Jul. 29		29	28		76
Jul. 30		31	39		88
Jul. 31		55	43		106

AQI Trends: Highest and Lowest

Highest AQI recorded on

16th Jul 2022

131AQI

Lowest AQI recorded on

26th Jul 2021

15AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 53 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Jiaxing University, Jiaxing, Zhejiang, China

AQI

Day

Night

4 AM2nd Jul 2025

7 PM

3 AM3rd Jul 2025

Day time

Avg. Highest Time

2PM2nd Jul

60AQI

Avg. Lowest Time

9AM2nd Jul

44AQI

Night time

Avg. Highest Time

8PM2nd Jul

54AQI

Avg. Lowest Time

3AM3rd Jul

54AQI

In the last 24 hours,

Jiaxing University's AQI reached its highest point of 60 at 2 PM during the Day, while the lowest point, 44, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Jiaxing University, Jiaxing, Zhejiang, China

JunJul

03rd - 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 - 01st01st - 02nd02nd - 03rd03rd

Day

Night

22°C17/28°C

25°C19/31°C

25°C21/31°C

26°C20/32°C

26°C24/30°C

22°C20/25°C

23°C21/26°C

21°C19/23°C

21°C20/23°C

22°C20/25°C

24°C23/26°C

27°C24/33°C

24°C21/26°C

25°C19/31°C

28°C23/34°C

28°C24/34°C

28°C25/32°C

28°C25/33°C

27°C22/34°C

22°C22/23°C

22°C21/23°C

22°C20/25°C

23°C20/26°C

28°C23/34°C

29°C25/35°C

28°C23/34°C

29°C25/34°C

4 AM

11 AM

7 PM

11 PM

3 AM

0°C0/0°C

Day time

Avg. Highest Time

4 AM - 7 AM

59AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

8 AM - 7 PM

54AQI

12 hours / Day

360 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 AM (Avg. 59), while the lowest AQI was between 8 AM to 7 PM (Avg. 54).

Night time

Avg. Highest Time

12 AM - 3 AM

60AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

8 PM - 11 PM

58AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 60), while the lowest AQI was between 8 PM to 11 PM (Avg. 58).

2025 Days Vs Air Quality
Jiaxing University, Jiaxing, Zhejiang, China

2025

69%

126

22%

Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)

Good

10 Days

Moderate

126 Days

Poor

41 Days

Unhealthy

6 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 5%

Health Risk Level:

Extreme

In 2025, 5% of 184 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights
Jiaxing University, Jiaxing, Zhejiang, 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.

112AQI

102AQI

85AQI

92AQI

74AQI

57AQI

51AQI

No. of days

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

202586AQI

126

Highest AQI recorded in

January

112AQI

Lowest AQI recorded in

July

51AQI

202478AQI

205

Highest AQI recorded in

January

124AQI

Lowest AQI recorded in

July

55AQI

202387AQI

212

Highest AQI recorded in

December

121AQI

Lowest AQI recorded in

July

58AQI

202279AQI

195

Highest AQI recorded in

January

104AQI

Lowest AQI recorded in

October

62AQI

202182AQI

233

Highest AQI recorded in

January

115AQI

Lowest AQI recorded in

October

63AQI

202077AQI

181

Highest AQI recorded in

December

113AQI

Lowest AQI recorded in

March

63AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2023(Avg.)

87AQI

Least Polluted Year Recorded

2020(Avg.)

77AQI

Jiaxing University's annual 2025 AQI (86) shows an average percentage change of 7.3% (worsened AQI) compared to previous years: 2020 (77), 2021 (82), 2022 (79), 2023 (87), 2024 (78).


4 AM	53
5 AM	53
6 AM	53
7 AM	53
8 AM	45
9 AM	44
10 AM	46
11 AM	48
12 PM	54
1 PM	56
2 PM	60
3 PM	55
4 PM	54
5 PM	56
6 PM	56
7 PM	54
8 PM	54
9 PM	54
10 PM	54
11 PM	54
12 AM	54
1 AM	54
2 AM	54
3 AM	54

Jiaxing University, Jiaxing, Zhejiang, China Historical Air Quality Analysis

July Air Quality AnalysisJiaxing University, Jiaxing, Zhejiang, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Jiaxing University, Jiaxing, Zhejiang, China

Day & Night AQI Trend : Jun - Jul 2025Jiaxing University, Jiaxing, Zhejiang, China

2025 Days Vs Air Quality Jiaxing University, Jiaxing, Zhejiang, China

Annual Air Quality InsightsJiaxing University, Jiaxing, Zhejiang, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Jiaxing University, Jiaxing, Zhejiang, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Jiaxing University, Jiaxing, Zhejiang, China

Day & Night AQI Trend : Jun - Jul 2025
Jiaxing University, Jiaxing, Zhejiang, China

2025 Days Vs Air Quality
Jiaxing University, Jiaxing, Zhejiang, China

Annual Air Quality Insights
Jiaxing University, Jiaxing, Zhejiang, China