Loudi, 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
Loudi, Hunan, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	49	44	80	57	56
Jul. 2	48	49	71	59	57
Jul. 3		52	58	49	52
Jul. 4		50	44	34	50
Jul. 5		55	53	44	71
Jul. 6		49	45	59	85
Jul. 7		52	48	54	82
Jul. 8		53	55	51	48
Jul. 9		55	55	55	54
Jul. 10		59	51	57	61
Jul. 11		67	57	64	72
Jul. 12		64	54	82	57
Jul. 13		67	57	72	57
Jul. 14		53	66	72	57
Jul. 15		61	67	78	67
Jul. 16		58	80	66	78
Jul. 17		47	83	72	90
Jul. 18		42	76	50	96
Jul. 19		34	44	65	59
Jul. 20		51	55	62	70
Jul. 21		54	52	52	60
Jul. 22		57	53	55	62
Jul. 23		58	52	54	57
Jul. 24		71	71	64	65
Jul. 25		82	77		58
Jul. 26		62	57		64
Jul. 27		57	56		68
Jul. 28		50	48		75
Jul. 29		37	50		59
Jul. 30		42	65		97
Jul. 31		42	59		83

AQI Trends: Highest and Lowest

Highest AQI recorded on

30th Jul 2021

97AQI

Lowest AQI recorded on

4th Jul 2022

34AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 48 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

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

7PM2nd Jul

37AQI

Night time

Avg. Highest Time

2AM3rd Jul

52AQI

Avg. Lowest Time

12AM3rd Jul

37AQI

In the last 24 hours,

Loudi's AQI reached its highest point of 52 at 5 AM during the Day, while the lowest point, 37, was recorded at 12 AM during the Night between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Loudi, 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

22°C19/27°C

24°C19/31°C

26°C21/32°C

29°C23/35°C

29°C24/36°C

24°C22/25°C

26°C21/31°C

25°C22/30°C

23°C22/23°C

22°C21/24°C

27°C21/33°C

28°C24/33°C

27°C22/32°C

28°C22/34°C

28°C24/33°C

26°C23/30°C

25°C24/30°C

24°C23/26°C

24°C21/26°C

21°C21/22°C

21°C20/22°C

22°C20/24°C

26°C21/32°C

26°C23/31°C

27°C24/33°C

28°C24/33°C

27°C23/32°C

28°C24/33°C

29°C24/34°C

29°C24/35°C

5 AM

12 PM

7 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 7 PM

58AQI

15 hours / Day

450 hours / Month

Avg. Lowest Time

8 AM - 7 PM

58AQI

12 hours / Day

360 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 58), while the lowest AQI was between 8 AM to 7 PM (Avg. 58).

Night time

Avg. Highest Time

12 AM - 11 PM

60AQI

9 hours / Day

270 hours / Month

Avg. Lowest Time

12 AM - 11 PM

60AQI

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. 60), while the lowest AQI was between 12 AM to 11 PM (Avg. 60).

2025 Days Vs Air Quality
Loudi, Hunan, China

2025

44%

37%

10%

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

Good

12 Days

Moderate

81 Days

Poor

68 Days

Unhealthy

18 Days

Severe

2 Days

Hazardous

2 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
Loudi, 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.

154AQI

120AQI

99AQI

130AQI

85AQI

60AQI

49AQI

No. of days

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

2025107AQI

Highest AQI recorded in

January

154AQI

Lowest AQI recorded in

July

49AQI

202495AQI

171

109

Highest AQI recorded in

December

144AQI

Lowest AQI recorded in

June

52AQI

2023100AQI

169

116

Highest AQI recorded in

January

153AQI

Lowest AQI recorded in

July

59AQI

2022102AQI

150

120

Highest AQI recorded in

December

143AQI

Lowest AQI recorded in

July

59AQI

202197AQI

185

104

Highest AQI recorded in

January

145AQI

Lowest AQI recorded in

July

67AQI

202086AQI

139

Highest AQI recorded in

December

131AQI

Lowest AQI recorded in

June

61AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

107AQI

Least Polluted Year Recorded

2020(Avg.)

86AQI

Loudi's annual 2025 AQI (107) shows an average percentage change of 12.3% (worsened AQI) compared to previous years: 2020 (86), 2021 (97), 2022 (102), 2023 (100), 2024 (95).


5 AM	52
6 AM	52
7 AM	52
8 AM	37
9 AM	37
10 AM	43
11 AM	37
12 PM	43
1 PM	41
2 PM	50
3 PM	52
4 PM	43
5 PM	39
6 PM	38
7 PM	37
8 PM	37
9 PM	37
10 PM	37
11 PM	37
12 AM	37
1 AM	48
2 AM	52
3 AM	52
4 AM	52

Loudi, Hunan, China Historical Air Quality Analysis

July Air Quality AnalysisLoudi, Hunan, China

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

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

2025 Days Vs Air Quality Loudi, Hunan, China

Annual Air Quality InsightsLoudi, Hunan, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Loudi, Hunan, China

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

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

2025 Days Vs Air Quality
Loudi, Hunan, China

Annual Air Quality Insights
Loudi, Hunan, China