Zhugang, 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
Zhugang, Zhejiang, China

2021

2022

2024

2025

AQI

Days

Days	2025	2024	2022	2021
Jul. 1	45	51	27	71
Jul. 2	46	50	25	54
Jul. 3		48	36	48
Jul. 4		52	42	41
Jul. 5		56	40	33
Jul. 6		55	28	32
Jul. 7		55	35	50
Jul. 8		53	52	49
Jul. 9		58	69	47
Jul. 10		61	63	40
Jul. 11		62	50	37
Jul. 12		64	63	37
Jul. 13		62	26	30
Jul. 14		61	34	28
Jul. 15		54	79	18
Jul. 16		45	92	16
Jul. 17		52	73	24
Jul. 18		49	61	38
Jul. 19		53	61	27
Jul. 20		50	51	33
Jul. 21		50	61	38
Jul. 22		41	65	28
Jul. 23		38	97	28
Jul. 24		35	82	19
Jul. 25		33		23
Jul. 26		32		45
Jul. 27		34		63
Jul. 28		34		59
Jul. 29		31		67
Jul. 30		32		58
Jul. 31		36		42

AQI Trends: Highest and Lowest

Highest AQI recorded on

23rd Jul 2022

97AQI

Lowest AQI recorded on

16th Jul 2021

16AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2024 and 2021 on the same day.

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

AQI

Day

Night

5 AM2nd Jul 2025

6 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

6PM2nd Jul

56AQI

Avg. Lowest Time

9AM2nd Jul

32AQI

Night time

Avg. Highest Time

8PM2nd Jul

59AQI

Avg. Lowest Time

4AM3rd Jul

51AQI

In the last 24 hours,

Zhugang's AQI reached its highest point of 59 at 8 PM during the Night, while the lowest point, 32, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Zhugang, 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°C21/22°C

23°C22/24°C

24°C23/24°C

24°C23/26°C

25°C24/25°C

25°C25/26°C

26°C24/27°C

23°C23/24°C

24°C23/25°C

25°C25/26°C

26°C25/26°C

25°C24/26°C

25°C24/25°C

25°C25/26°C

26°C26/26°C

26°C26/27°C

26°C26/26°C

26°C25/26°C

26°C26/26°C

26°C25/27°C

27°C26/27°C

27°C27/28°C

28°C27/29°C

28°C28/29°C

29°C28/29°C

5 AM

11 AM

6 PM

11 PM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 7 AM

56AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

8 AM - 6 PM

51AQI

11 hours / Day

330 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 56), while the lowest AQI was between 8 AM to 6 PM (Avg. 51).

Night time

Avg. Highest Time

1 AM - 4 AM

57AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

12 AM

51AQI

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. 57), while the lowest AQI was between 12 AM to 12 AM (Avg. 51).

2025 Days Vs Air Quality
Zhugang, Zhejiang, China

2025

76%

139

17%

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

Good

13 Days

Moderate

139 Days

Poor

31 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 7%

Health Risk Level:

Extreme

In 2025, 7% 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
Zhugang, 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.

100AQI

93AQI

81AQI

79AQI

67AQI

55AQI

46AQI

No. of days

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

202579AQI

139

Highest AQI recorded in

January

100AQI

Lowest AQI recorded in

July

46AQI

202461AQI

142

Highest AQI recorded in

January

100AQI

Lowest AQI recorded in

March

33AQI

202379AQI

Highest AQI recorded in

December

80AQI

Lowest AQI recorded in

November

77AQI

202258AQI

119

Highest AQI recorded in

August

80AQI

Lowest AQI recorded in

October

45AQI

202156AQI

107

Highest AQI recorded in

January

91AQI

Lowest AQI recorded in

August

39AQI

202060AQI

158

Highest AQI recorded in

April

83AQI

Lowest AQI recorded in

August

45AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2023(Avg.)

79AQI

Least Polluted Year Recorded

2021(Avg.)

56AQI

Zhugang's annual 2025 AQI (79) shows an average percentage change of 27.08% (worsened AQI) compared to previous years: 2020 (60), 2021 (56), 2022 (58), 2023 (79), 2024 (61).


5 AM	50
6 AM	50
7 AM	51
8 AM	35
9 AM	32
10 AM	33
11 AM	35
12 PM	39
1 PM	46
2 PM	42
3 PM	44
4 PM	53
5 PM	53
6 PM	56
7 PM	58
8 PM	59
9 PM	59
10 PM	59
11 PM	59
12 AM	59
1 AM	53
2 AM	51
3 AM	51
4 AM	51

Zhugang, Zhejiang, China Historical Air Quality Analysis

July Air Quality AnalysisZhugang, Zhejiang, China

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

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

2025 Days Vs Air Quality Zhugang, Zhejiang, China

Annual Air Quality InsightsZhugang, Zhejiang, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Zhugang, Zhejiang, China

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

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

2025 Days Vs Air Quality
Zhugang, Zhejiang, China

Annual Air Quality Insights
Zhugang, Zhejiang, China