Caidian District Station, Hanchuan, Hubei, 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
Caidian District Station, Hanchuan, Hubei, China

2021

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2021
Jul. 1	44	43	72
Jul. 2	46	52	79
Jul. 3		54	71
Jul. 4		43	39
Jul. 5		51	50
Jul. 6		41	54
Jul. 7		45	67
Jul. 8		46	54
Jul. 9		44	63
Jul. 10		47	69
Jul. 11		57	70
Jul. 12		62	68
Jul. 13		50	75
Jul. 14		55	50	61
Jul. 15		54	73	70
Jul. 16		58	83	80
Jul. 17		49	100	40
Jul. 18		49	65	52
Jul. 19		42	67	58
Jul. 20		41	79	82
Jul. 21		43	54	69
Jul. 22		43	29	57
Jul. 23		49	59	63
Jul. 24		59	68	50
Jul. 25		58	64	39
Jul. 26		56	57	49
Jul. 27		46	46	45
Jul. 28		40	46	34
Jul. 29		33	50	61
Jul. 30		37		61
Jul. 31		36		77

AQI Trends: Highest and Lowest

Highest AQI recorded on

17th Jul 2023

100AQI

Lowest AQI recorded on

22nd Jul 2023

29AQI

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 2023 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Caidian District Station, Hanchuan, Hubei, China

AQI

Day

Night

5 AM2nd Jul 2025

7 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

5AM2nd Jul

52AQI

Avg. Lowest Time

9AM2nd Jul

30AQI

Night time

Avg. Highest Time

2AM3rd Jul

52AQI

Avg. Lowest Time

12AM3rd Jul

36AQI

In the last 24 hours,

Caidian District Station's AQI reached its highest point of 52 at 5 AM during the Day, while the lowest point, 30, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Caidian District Station, Hanchuan, Hubei, 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

21°C18/23°C

22°C21/25°C

27°C22/32°C

29°C25/34°C

28°C25/33°C

24°C23/26°C

25°C24/28°C

24°C22/27°C

25°C22/29°C

27°C23/31°C

29°C24/33°C

30°C24/35°C

28°C23/33°C

29°C23/35°C

30°C26/36°C

29°C26/33°C

24°C24/25°C

25°C24/26°C

23°C21/24°C

24°C21/28°C

24°C21/27°C

25°C21/29°C

25°C22/27°C

25°C23/28°C

25°C24/26°C

28°C24/33°C

25°C24/28°C

29°C24/35°C

31°C27/35°C

31°C27/36°C

5 AM

12 PM

7 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 4 PM

55AQI

12 hours / Day

360 hours / Month

Avg. Lowest Time

5 PM - 7 PM

48AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 4 PM (Avg. 55), while the lowest AQI was between 5 PM to 7 PM (Avg. 48).

Night time

Avg. Highest Time

12 AM - 4 AM

57AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

8 PM - 9 PM

55AQI

2 hours / Day

60 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 57), while the lowest AQI was between 8 PM to 9 PM (Avg. 55).

2025 Days Vs Air Quality
Caidian District Station, Hanchuan, Hubei, China

2025

39%

37%

14%

0.5%

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

Good

16 Days

Moderate

71 Days

Poor

67 Days

Unhealthy

26 Days

Severe

2 Days

Hazardous

1 Days

Under WHO’s Safe Air Quality Limits: 9%

Health Risk Level:

Extreme

In 2025, 9% 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
Caidian District Station, Hanchuan, Hubei, 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.

148AQI

139AQI

111AQI

114AQI

92AQI

56AQI

45AQI

No. of days

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

2025109AQI

Highest AQI recorded in

January

148AQI

Lowest AQI recorded in

July

45AQI

202489AQI

115

Highest AQI recorded in

January

165AQI

Lowest AQI recorded in

July

48AQI

202395AQI

Highest AQI recorded in

November

132AQI

Lowest AQI recorded in

June

63AQI

202186AQI

135

Highest AQI recorded in

January

127AQI

Lowest AQI recorded in

July

58AQI

202087AQI

142

Highest AQI recorded in

December

143AQI

Lowest AQI recorded in

August

60AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded

2025(Avg.)

109AQI

Least Polluted Year Recorded

2021(Avg.)

86AQI

Caidian District Station's annual 2025 AQI (109) shows an average percentage change of 22.06% (worsened AQI) compared to previous years: 2020 (87), 2021 (86), 2023 (95), 2024 (89).


5 AM	52
6 AM	52
7 AM	52
8 AM	35
9 AM	30
10 AM	35
11 AM	32
12 PM	34
1 PM	32
2 PM	32
3 PM	33
4 PM	33
5 PM	32
6 PM	31
7 PM	34
8 PM	36
9 PM	36
10 PM	36
11 PM	36
12 AM	36
1 AM	49
2 AM	52
3 AM	52
4 AM	52

Caidian District Station, Hanchuan, Hubei, China Historical Air Quality Analysis

July Air Quality AnalysisCaidian District Station, Hanchuan, Hubei, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Caidian District Station, Hanchuan, Hubei, China

Day & Night AQI Trend : Jun - Jul 2025Caidian District Station, Hanchuan, Hubei, China

2025 Days Vs Air Quality Caidian District Station, Hanchuan, Hubei, China

Annual Air Quality InsightsCaidian District Station, Hanchuan, Hubei, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Caidian District Station, Hanchuan, Hubei, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Caidian District Station, Hanchuan, Hubei, China

Day & Night AQI Trend : Jun - Jul 2025
Caidian District Station, Hanchuan, Hubei, China

2025 Days Vs Air Quality
Caidian District Station, Hanchuan, Hubei, China

Annual Air Quality Insights
Caidian District Station, Hanchuan, Hubei, China