Suqian, Jiangsu, 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
Suqian, Jiangsu, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	64	71	91	54	72
Jul. 2		65	107	64	68
Jul. 3		74	67	57	49
Jul. 4		34	62	58	82
Jul. 5		50	66	53	47
Jul. 6		49	68	41	40
Jul. 7		62	55	55	33
Jul. 8		53	78	73	42
Jul. 9		51	83	64	58
Jul. 10		108	68	49	63
Jul. 11		131	49	43	84
Jul. 12		100	124		71
Jul. 13		65	80	78	56
Jul. 14		55	79	85	74
Jul. 15		43	101	91	36
Jul. 16		71	68	75	26
Jul. 17		44	79	58	31
Jul. 18		40	51	65	50
Jul. 19		59	66	75	56
Jul. 20		46	60	54	50
Jul. 21		56	54	91	50
Jul. 22		61	92	90	61
Jul. 23		73	67	40	53
Jul. 24		73	77	72	60
Jul. 25		47	89		61
Jul. 26		51	36		35
Jul. 27		42	46		32
Jul. 28		38	28		26
Jul. 29		45	39		27
Jul. 30		56	44		51
Jul. 31		62	70		77

AQI Trends: Highest and Lowest

Highest AQI recorded on

11th Jul 2024

131AQI

Lowest AQI recorded on

16th Jul 2021

26AQI

Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 64 of Moderate air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Suqian, Jiangsu, China

AQI

Day

Night

4 AM2nd Jul 2025

7 PM

3 AM3rd Jul 2025

Day time

Avg. Highest Time

12AMNaNth undefined

AQI

Avg. Lowest Time

12AMNaNth undefined

AQI

Night time

Avg. Highest Time

4AM2nd Jul

64AQI

Avg. Lowest Time

3PM2nd Jul

47AQI

In the last 24 hours,

Suqian's AQI reached its highest point of 64 at 4 AM during the Night, while the lowest point, 47, was recorded at 3 PM during the Night between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Suqian, Jiangsu, 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

24°C16/32°C

28°C20/36°C

30°C23/37°C

29°C25/35°C

29°C26/33°C

30°C23/37°C

30°C24/36°C

27°C23/32°C

26°C20/33°C

24°C18/30°C

28°C22/36°C

30°C23/39°C

30°C25/35°C

30°C23/36°C

32°C24/40°C

33°C27/40°C

27°C23/29°C

24°C23/25°C

23°C22/27°C

26°C21/32°C

26°C22/32°C

24°C22/28°C

26°C20/31°C

24°C23/28°C

26°C21/31°C

25°C23/27°C

25°C24/30°C

29°C23/34°C

31°C26/36°C

0°C0/0°C

4 AM

11 AM

7 PM

11 PM

3 AM

0°C0/0°C

Day time

Avg. Highest Time

8 AM - 10 AM

85AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

1 PM - 7 PM

65AQI

7 hours / Day

210 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 AM (Avg. 85), while the lowest AQI was between 1 PM to 7 PM (Avg. 65).

Night time

Avg. Highest Time

12 AM - 3 AM

73AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

8 PM - 11 PM

70AQI

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. 73), while the lowest AQI was between 8 PM to 11 PM (Avg. 70).

2025 Days Vs Air Quality
Suqian, Jiangsu, China

2025

47%

39%

14%

Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)

Good

0 Days

Moderate

86 Days

Poor

71 Days

Unhealthy

25 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2025, 0% of 183 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
Suqian, Jiangsu, 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.

141AQI

123AQI

119AQI

103AQI

94AQI

73AQI

64AQI

No. of days

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

2025108AQI

Highest AQI recorded in

January

141AQI

Lowest AQI recorded in

July

64AQI

202497AQI

186

110

Highest AQI recorded in

January

139AQI

Lowest AQI recorded in

July

60AQI

2023105AQI

166

115

Highest AQI recorded in

January

138AQI

Lowest AQI recorded in

July

69AQI

2022100AQI

180

Highest AQI recorded in

January

154AQI

Lowest AQI recorded in

July

65AQI

2021101AQI

165

105

Highest AQI recorded in

January

149AQI

Lowest AQI recorded in

July

52AQI

202092AQI

152

Highest AQI recorded in

December

157AQI

Lowest AQI recorded in

July

53AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

108AQI

Least Polluted Year Recorded

2020(Avg.)

92AQI

Suqian's annual 2025 AQI (108) shows an average percentage change of 9.5% (worsened AQI) compared to previous years: 2020 (92), 2021 (101), 2022 (100), 2023 (105), 2024 (97).


4 AM	64
5 AM	64
6 AM	64
7 AM	64
8 AM	62
9 AM	58
10 AM	58
11 AM	57
12 PM	56
1 PM	50
2 PM	47
3 PM	47
4 PM	50
5 PM	50
6 PM	48
7 PM	49
8 PM	48
9 PM	48
10 PM	48
11 PM	48
12 AM	48
1 AM	60
2 AM	63
3 AM	63

Suqian, Jiangsu, China Historical Air Quality Analysis

July Air Quality AnalysisSuqian, Jiangsu, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Suqian, Jiangsu, China

Day & Night AQI Trend : Jun - Jul 2025Suqian, Jiangsu, China

2025 Days Vs Air Quality Suqian, Jiangsu, China

Annual Air Quality InsightsSuqian, Jiangsu, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Suqian, Jiangsu, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Suqian, Jiangsu, China

Day & Night AQI Trend : Jun - Jul 2025
Suqian, Jiangsu, China

2025 Days Vs Air Quality
Suqian, Jiangsu, China

Annual Air Quality Insights
Suqian, Jiangsu, China