Yiwu, 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
Yiwu, Zhejiang, China

2021

2022

2024

2025

AQI

Days

Days	2025	2024	2022	2021
Jul. 1	43	51	31	43
Jul. 2	47	50	35	54
Jul. 3		49	46	75
Jul. 4		50	62	86
Jul. 5		52	47	75
Jul. 6		50	36	35
Jul. 7		52	46	49
Jul. 8		53	49	56
Jul. 9		52	63	39
Jul. 10		55	64	63
Jul. 11		54	58	83
Jul. 12		58		78
Jul. 13		54	81	64
Jul. 14		57	91	65
Jul. 15		55	82	39
Jul. 16		56	95	38
Jul. 17		55	79	42
Jul. 18		55	45	56
Jul. 19		54	60	57
Jul. 20		55	67	37
Jul. 21		54	53	38
Jul. 22		54	62	44
Jul. 23		53	79	25
Jul. 24		51	67	15
Jul. 25		46		21
Jul. 26		43		32
Jul. 27		40		53
Jul. 28		40		62
Jul. 29		37		66
Jul. 30		36		56
Jul. 31		36		59

AQI Trends: Highest and Lowest

Highest AQI recorded on

16th Jul 2022

95AQI

Lowest AQI recorded on

24th Jul 2021

15AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 47 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Yiwu, Zhejiang, China

AQI

Day

Night

5 AM3rd Jul 2025

7 PM

4 AM4th Jul 2025

Day time

Avg. Highest Time

6PM3rd Jul

61AQI

Avg. Lowest Time

7AM3rd Jul

53AQI

Night time

Avg. Highest Time

8PM3rd Jul

56AQI

Avg. Lowest Time

1AM4th Jul

51AQI

In the last 24 hours,

Yiwu's AQI reached its highest point of 61 at 6 PM during the Day, while the lowest point, 51, was recorded at 1 AM during the Night between 3rd Jul and 4th Jul 2025.

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

JunJul

04th - 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 - 04th04th

Day

Night

23°C17/31°C

24°C18/31°C

25°C17/32°C

27°C22/34°C

25°C23/31°C

25°C22/29°C

23°C20/25°C

21°C19/21°C

24°C20/30°C

25°C23/28°C

26°C23/32°C

24°C20/29°C

23°C16/30°C

27°C20/34°C

28°C23/33°C

28°C24/33°C

29°C25/35°C

28°C24/34°C

24°C22/26°C

25°C23/31°C

24°C21/29°C

26°C20/31°C

28°C23/35°C

28°C22/35°C

27°C21/35°C

27°C20/34°C

28°C24/35°C

29°C23/36°C

29°C23/35°C

30°C25/36°C

5 AM

12 PM

7 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 7 AM

57AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

8 AM - 7 PM

53AQI

12 hours / Day

360 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 57), while the lowest AQI was between 8 AM to 7 PM (Avg. 53).

Night time

Avg. Highest Time

12 AM - 4 AM

56AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

8 PM - 11 PM

54AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 56), while the lowest AQI was between 8 PM to 11 PM (Avg. 54).

2025 Days Vs Air Quality
Yiwu, Zhejiang, China

2025

66%

121

28%

Total number of days with different AQI categories in last 185 days in 2025 (180 days remaining)

Good

11 Days

Moderate

121 Days

Poor

51 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 6%

Health Risk Level:

Extreme

In 2025, 6% of 185 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
Yiwu, 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.

119AQI

102AQI

87AQI

75AQI

55AQI

45AQI

No. of days

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

202587AQI

121

Highest AQI recorded in

January

119AQI

Lowest AQI recorded in

July

45AQI

202472AQI

181

Highest AQI recorded in

December

116AQI

Lowest AQI recorded in

July

50AQI

202390AQI

Highest AQI recorded in

November

91AQI

Lowest AQI recorded in

December

90AQI

202271AQI

140

Highest AQI recorded in

April

84AQI

Lowest AQI recorded in

January

58AQI

202179AQI

233

Highest AQI recorded in

December

109AQI

Lowest AQI recorded in

July

52AQI

202079AQI

180

Highest AQI recorded in

December

124AQI

Lowest AQI recorded in

June

57AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2023(Avg.)

90AQI

Least Polluted Year Recorded

2022(Avg.)

71AQI

Yiwu's annual 2025 AQI (87) shows an average percentage change of 11.9% (worsened AQI) compared to previous years: 2020 (79), 2021 (79), 2022 (71), 2023 (90), 2024 (72).


5 AM	53
6 AM	53
7 AM	53
8 AM	54
9 AM	56
10 AM	57
11 AM	57
12 PM	57
1 PM	57
2 PM	57
3 PM	57
4 PM	57
5 PM	59
6 PM	61
7 PM	56
8 PM	56
9 PM	56
10 PM	56
11 PM	55
12 AM	54
1 AM	51
2 AM	52
3 AM	52
4 AM	53

Yiwu, Zhejiang, China Historical Air Quality Analysis

July Air Quality AnalysisYiwu, Zhejiang, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025Yiwu, Zhejiang, China

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

2025 Days Vs Air Quality Yiwu, Zhejiang, China

Annual Air Quality InsightsYiwu, Zhejiang, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Yiwu, Zhejiang, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Yiwu, Zhejiang, China

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

2025 Days Vs Air Quality
Yiwu, Zhejiang, China

Annual Air Quality Insights
Yiwu, Zhejiang, China