Leshan, Sichuan, 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
Leshan, Sichuan, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	57	43	78	68	94
Jul. 2		58	105	68	80
Jul. 3		68	63	89	50
Jul. 4		67	47	95	65
Jul. 5		66	74	122	102
Jul. 6		66	98	112	88
Jul. 7		83	112	89	85
Jul. 8		47	90	88	68
Jul. 9		31	87	91	79
Jul. 10		31	98	99	50
Jul. 11		46	110	97	52
Jul. 12		55	47	71	62
Jul. 13		61	33	46	69
Jul. 14		39	53	76	92
Jul. 15		52	86	90	43
Jul. 16		58	84	57	36
Jul. 17		54	91	62	50
Jul. 18		40	93	61	49
Jul. 19		53	75	58	52
Jul. 20		54	79	60	65
Jul. 21		54	85	69	67
Jul. 22		61	70	57	72
Jul. 23		68	77	53	81
Jul. 24		39	60	67	44
Jul. 25		59	70		71
Jul. 26		84	37		69
Jul. 27		76	27		55
Jul. 28		60	40		64
Jul. 29		56	67		75
Jul. 30		62	64		88
Jul. 31		71	59		79

AQI Trends: Highest and Lowest

Highest AQI recorded on

5th Jul 2022

122AQI

Lowest AQI recorded on

27th Jul 2023

27AQI

Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 57 of Moderate air quality, showing improvement over 2023, 2022 and 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Leshan, Sichuan, China

AQI

Day

Night

6 AM2nd Jul 2025

8 PM

5 AM3rd Jul 2025

Day time

Avg. Highest Time

12AMNaNth undefined

AQI

Avg. Lowest Time

12AMNaNth undefined

AQI

Night time

Avg. Highest Time

8AM2nd Jul

66AQI

Avg. Lowest Time

11AM2nd Jul

41AQI

In the last 24 hours,

Leshan's AQI reached its highest point of 66 at 8 AM during the Night, while the lowest point, 41, was recorded at 11 AM during the Night between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Leshan, Sichuan, 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

20°C18/22°C

24°C19/31°C

25°C21/30°C

24°C23/28°C

23°C22/25°C

27°C23/35°C

27°C22/32°C

28°C21/37°C

28°C21/36°C

29°C23/37°C

30°C23/38°C

24°C20/29°C

28°C22/36°C

29°C23/38°C

30°C24/38°C

24°C23/27°C

25°C23/27°C

24°C23/26°C

23°C22/27°C

26°C21/33°C

24°C21/30°C

21°C20/21°C

23°C19/29°C

25°C20/31°C

26°C22/33°C

27°C23/34°C

25°C22/28°C

26°C22/33°C

27°C22/33°C

0°C0/0°C

6 AM

1 PM

8 PM

1 AM

5 AM

0°C0/0°C

Day time

Avg. Highest Time

8 AM - 3 PM

73AQI

8 hours / Day

240 hours / Month

Avg. Lowest Time

4 PM - 8 PM

64AQI

5 hours / Day

150 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 AM to 3 PM (Avg. 73), while the lowest AQI was between 4 PM to 8 PM (Avg. 64).

Night time

Avg. Highest Time

12 AM - 11 PM

68AQI

9 hours / Day

270 hours / Month

Avg. Lowest Time

12 AM - 11 PM

68AQI

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. 68), while the lowest AQI was between 12 AM to 11 PM (Avg. 68).

2025 Days Vs Air Quality
Leshan, Sichuan, China

2025

0.5%

57%

103

36%

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

Good

1 Days

Moderate

103 Days

Poor

65 Days

Unhealthy

13 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 0.55%

Health Risk Level:

Extreme

In 2025, 0.55% 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
Leshan, Sichuan, 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.

146AQI

98AQI

102AQI

101AQI

93AQI

69AQI

57AQI

No. of days

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

2025101AQI

103

Highest AQI recorded in

January

146AQI

Lowest AQI recorded in

July

57AQI

202498AQI

199

Highest AQI recorded in

January

150AQI

Lowest AQI recorded in

July

57AQI

2023103AQI

160

106

Highest AQI recorded in

January

156AQI

Lowest AQI recorded in

August

68AQI

2022108AQI

133

112

Highest AQI recorded in

January

150AQI

Lowest AQI recorded in

August

69AQI

202199AQI

176

100

Highest AQI recorded in

January

155AQI

Lowest AQI recorded in

August

62AQI

202086AQI

148

Highest AQI recorded in

December

130AQI

Lowest AQI recorded in

July

61AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2022(Avg.)

108AQI

Least Polluted Year Recorded

2020(Avg.)

86AQI

Leshan's annual 2025 AQI (101) shows an average percentage change of 3.1% (worsened AQI) compared to previous years: 2020 (86), 2021 (99), 2022 (108), 2023 (103), 2024 (98).


6 AM	57
7 AM	57
8 AM	66
9 AM	59
10 AM	45
11 AM	41
12 PM	49
1 PM	54
2 PM	56
3 PM	56
4 PM	56
5 PM	56
6 PM	59
7 PM	60
8 PM	60
9 PM	60
10 PM	60
11 PM	60
12 AM	60
1 AM	57
2 AM	57
3 AM	56
4 AM	56
5 AM	56

Leshan, Sichuan, China Historical Air Quality Analysis

July Air Quality AnalysisLeshan, Sichuan, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Leshan, Sichuan, China

Day & Night AQI Trend : Jun - Jul 2025Leshan, Sichuan, China

2025 Days Vs Air Quality Leshan, Sichuan, China

Annual Air Quality InsightsLeshan, Sichuan, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Leshan, Sichuan, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Leshan, Sichuan, China

Day & Night AQI Trend : Jun - Jul 2025
Leshan, Sichuan, China

2025 Days Vs Air Quality
Leshan, Sichuan, China

Annual Air Quality Insights
Leshan, Sichuan, China