Zhangjiajie, Hunan, 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
Zhangjiajie, Hunan, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	46	59	51	65	66
Jul. 2	46	51	65	43	44
Jul. 3		61	59	33	53
Jul. 4		40	48	28	52
Jul. 5		46	41	29	46
Jul. 6		40	52	38	48
Jul. 7		37	58	42	65
Jul. 8		41	51	42	56
Jul. 9		52	57	35	46
Jul. 10		62	59	34	48
Jul. 11		74	63	38	49
Jul. 12		62	66	42	53
Jul. 13		62	65	35	49
Jul. 14		67	57	41	63
Jul. 15		68	52	46	63
Jul. 16		56	66	49	55
Jul. 17		54	71	47	45
Jul. 18		52	78	36	41
Jul. 19		40	70	40	41
Jul. 20		38	51	31	47
Jul. 21		43	40	31	60
Jul. 22		51	48	41	60
Jul. 23		49	52	50	63
Jul. 24		50	54	46	57
Jul. 25		62	43		43
Jul. 26		60	42		52
Jul. 27		50	60		47
Jul. 28		60	60		59
Jul. 29		43	47		46
Jul. 30		45	48		47
Jul. 31		45	53		49

AQI Trends: Highest and Lowest

Highest AQI recorded on

18th Jul 2023

78AQI

Lowest AQI recorded on

4th Jul 2022

28AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 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
Zhangjiajie, Hunan, China

AQI

Day

Night

5 AM2nd Jul 2025

7 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

7AM2nd Jul

52AQI

Avg. Lowest Time

4PM2nd Jul

31AQI

Night time

Avg. Highest Time

2AM3rd Jul

51AQI

Avg. Lowest Time

12AM3rd Jul

37AQI

In the last 24 hours,

Zhangjiajie's AQI reached its highest point of 52 at 7 AM during the Day, while the lowest point, 31, was recorded at 4 PM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Zhangjiajie, Hunan, 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

19°C17/23°C

23°C17/29°C

25°C19/31°C

27°C21/35°C

27°C22/35°C

23°C21/26°C

23°C22/26°C

24°C22/28°C

24°C17/30°C

23°C16/32°C

25°C17/35°C

27°C20/35°C

25°C18/34°C

27°C20/35°C

26°C20/34°C

23°C20/27°C

23°C20/25°C

23°C21/24°C

20°C18/22°C

20°C17/22°C

21°C16/28°C

20°C16/26°C

20°C17/22°C

21°C18/25°C

23°C18/29°C

24°C19/31°C

25°C20/31°C

25°C19/32°C

25°C20/31°C

27°C20/33°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

52AQI

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. 52).

Night time

Avg. Highest Time

12 AM - 11 PM

57AQI

9 hours / Day

270 hours / Month

Avg. Lowest Time

12 AM - 11 PM

57AQI

9 hours / Day

270 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 57), while the lowest AQI was between 12 AM to 11 PM (Avg. 57).

2025 Days Vs Air Quality
Zhangjiajie, Hunan, China

2025

58%

106

28%

0.5%

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

Good

13 Days

Moderate

106 Days

Poor

52 Days

Unhealthy

11 Days

Severe

1 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
Zhangjiajie, Hunan, 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.

143AQI

107AQI

92AQI

99AQI

83AQI

56AQI

46AQI

No. of days

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

202596AQI

106

Highest AQI recorded in

January

143AQI

Lowest AQI recorded in

July

46AQI

202489AQI

208

Highest AQI recorded in

December

134AQI

Lowest AQI recorded in

July

52AQI

202384AQI

224

Highest AQI recorded in

January

143AQI

Lowest AQI recorded in

July

56AQI

202285AQI

148

Highest AQI recorded in

December

142AQI

Lowest AQI recorded in

July

40AQI

202181AQI

197

Highest AQI recorded in

December

133AQI

Lowest AQI recorded in

July

52AQI

202068AQI

124

Highest AQI recorded in

December

122AQI

Lowest AQI recorded in

June

46AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

96AQI

Least Polluted Year Recorded

2020(Avg.)

68AQI

Zhangjiajie's annual 2025 AQI (96) shows an average percentage change of 19.2% (worsened AQI) compared to previous years: 2020 (68), 2021 (81), 2022 (85), 2023 (84), 2024 (89).


5 AM	51
6 AM	51
7 AM	52
8 AM	52
9 AM	50
10 AM	46
11 AM	42
12 PM	37
1 PM	35
2 PM	32
3 PM	32
4 PM	31
5 PM	33
6 PM	36
7 PM	37
8 PM	37
9 PM	37
10 PM	37
11 PM	37
12 AM	37
1 AM	48
2 AM	51
3 AM	51
4 AM	51

Zhangjiajie, Hunan, China Historical Air Quality Analysis

July Air Quality AnalysisZhangjiajie, Hunan, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Zhangjiajie, Hunan, China

Day & Night AQI Trend : Jun - Jul 2025Zhangjiajie, Hunan, China

2025 Days Vs Air Quality Zhangjiajie, Hunan, China

Annual Air Quality InsightsZhangjiajie, Hunan, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Zhangjiajie, Hunan, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Zhangjiajie, Hunan, China

Day & Night AQI Trend : Jun - Jul 2025
Zhangjiajie, Hunan, China

2025 Days Vs Air Quality
Zhangjiajie, Hunan, China

Annual Air Quality Insights
Zhangjiajie, Hunan, China