Deyang, 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
Deyang, Sichuan, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	51	38	89	67	73
Jul. 2	57	65	135	50	58
Jul. 3		38	78	70	57
Jul. 4		38	61	82	69
Jul. 5		55	80	86	67
Jul. 6		71	112	103	119
Jul. 7		49	88	89	100
Jul. 8		28	122	89	80
Jul. 9		25	110	78	50
Jul. 10		31	114	67	33
Jul. 11		52	93	62	52
Jul. 12		62	58	50	66
Jul. 13		46	43	39	63
Jul. 14		25	58	48	71
Jul. 15		24	99	61	35
Jul. 16		48	126	54	29
Jul. 17		35	91	44	46
Jul. 18		32	76	46	58
Jul. 19		42	98	46	46
Jul. 20		39	67	71	44
Jul. 21		35	66	62	54
Jul. 22		34	88	62	51
Jul. 23		55	83	78	47
Jul. 24		50	71	62	40
Jul. 25		80	77		54
Jul. 26		78	52		41
Jul. 27		71	33		55
Jul. 28		62	37		70
Jul. 29		47	60		82
Jul. 30		56	81		104
Jul. 31		53	63		92

AQI Trends: Highest and Lowest

Highest AQI recorded on

2nd Jul 2023

135AQI

Lowest AQI recorded on

15th Jul 2024

24AQI

Same Day Analysis (2nd 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 2024, 2023 and 2021 on the same day.

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

AQI

Day

Night

5 AM2nd Jul 2025

8 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

12PM2nd Jul

63AQI

Avg. Lowest Time

5PM2nd Jul

48AQI

Night time

Avg. Highest Time

2AM3rd Jul

57AQI

Avg. Lowest Time

12AM3rd Jul

52AQI

In the last 24 hours,

Deyang's AQI reached its highest point of 63 at 12 PM during the Day, while the lowest point, 48, was recorded at 5 PM during the Day between 2nd Jul and 3rd Jul 2025.

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

23°C19/29°C

25°C20/31°C

25°C22/30°C

25°C23/30°C

29°C24/35°C

26°C23/30°C

28°C21/36°C

29°C23/35°C

30°C24/37°C

31°C26/37°C

26°C24/27°C

29°C23/35°C

31°C24/37°C

30°C24/36°C

24°C22/27°C

26°C24/28°C

25°C24/26°C

27°C23/32°C

25°C21/30°C

23°C21/26°C

20°C19/21°C

23°C18/28°C

24°C20/28°C

26°C22/31°C

28°C24/32°C

23°C21/26°C

26°C21/31°C

25°C22/30°C

25°C23/28°C

5 AM

12 PM

8 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

8 AM - 10 AM

76AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

11 AM - 8 PM

68AQI

10 hours / Day

300 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 AM (Avg. 76), while the lowest AQI was between 11 AM to 8 PM (Avg. 68).

Night time

Avg. Highest Time

12 AM

77AQI

1 hours / Day

30 hours / Month

Avg. Lowest Time

1 AM - 11 PM

73AQI

7 hours / Day

210 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 77), while the lowest AQI was between 1 AM to 11 PM (Avg. 73).

2025 Days Vs Air Quality
Deyang, Sichuan, China

2025

52%

37%

10%

0.5%

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

Good

0 Days

Moderate

95 Days

Poor

68 Days

Unhealthy

19 Days

Severe

1 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2025, 0% 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
Deyang, 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.

149AQI

103AQI

109AQI

103AQI

101AQI

72AQI

54AQI

No. of days

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

2025106AQI

Highest AQI recorded in

January

149AQI

Lowest AQI recorded in

July

54AQI

202491AQI

203

Highest AQI recorded in

January

139AQI

Lowest AQI recorded in

July

47AQI

2023107AQI

159

100

Highest AQI recorded in

January

160AQI

Lowest AQI recorded in

August

69AQI

2022101AQI

136

105

Highest AQI recorded in

January

142AQI

Lowest AQI recorded in

August

56AQI

202197AQI

143

Highest AQI recorded in

January

154AQI

Lowest AQI recorded in

August

52AQI

202087AQI

134

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

2023(Avg.)

107AQI

Least Polluted Year Recorded

2020(Avg.)

87AQI

Deyang's annual 2025 AQI (106) shows an average percentage change of 10.3% (worsened AQI) compared to previous years: 2020 (87), 2021 (97), 2022 (101), 2023 (107), 2024 (91).


5 AM	55
6 AM	55
7 AM	56
8 AM	58
9 AM	59
10 AM	61
11 AM	62
12 PM	63
1 PM	61
2 PM	60
3 PM	59
4 PM	57
5 PM	48
6 PM	50
7 PM	52
8 PM	52
9 PM	52
10 PM	52
11 PM	52
12 AM	52
1 AM	56
2 AM	57
3 AM	57
4 AM	57

Deyang, Sichuan, China Historical Air Quality Analysis

July Air Quality AnalysisDeyang, Sichuan, China

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

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

2025 Days Vs Air Quality Deyang, Sichuan, China

Annual Air Quality InsightsDeyang, Sichuan, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Deyang, Sichuan, China

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

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

2025 Days Vs Air Quality
Deyang, Sichuan, China

Annual Air Quality Insights
Deyang, Sichuan, China