Changchun, Jilin, 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
Changchun, Jilin, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	56	133	49	55	59
Jul. 2	55	100	46	47	62
Jul. 3		34	62	60	63
Jul. 4		59	62	71	40
Jul. 5		52	49	60	42
Jul. 6		57	64	57	61
Jul. 7		87	56	42	59
Jul. 8		107	45	46	56
Jul. 9		95	39	51	57
Jul. 10		122	40	44	60
Jul. 11		134	36	60	89
Jul. 12		129	47	55	75
Jul. 13		133	55	37	61
Jul. 14		117	34	32	49
Jul. 15		113	27	28	36
Jul. 16		74	20	25	31
Jul. 17		31	25	34	52
Jul. 18		54	43	45	55
Jul. 19		71	64	40	56
Jul. 20		50	68	44	45
Jul. 21		59	43	54	50
Jul. 22		48	68	40	61
Jul. 23		29	34	43	73
Jul. 24		28	36	34	64
Jul. 25		37	57		65
Jul. 26		17	61	85	58
Jul. 27		19	52		58
Jul. 28		16	39		63
Jul. 29		25	45		64
Jul. 30		37	37		63
Jul. 31		38	53		40

AQI Trends: Highest and Lowest

Highest AQI recorded on

11th Jul 2024

134AQI

Lowest AQI recorded on

28th Jul 2024

16AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 55 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Changchun, Jilin, China

AQI

Day

Night

5 AM3rd Jul 2025

9 PM

4 AM4th Jul 2025

Day time

Avg. Highest Time

6AM3rd Jul

59AQI

Avg. Lowest Time

4PM3rd Jul

38AQI

Night time

Avg. Highest Time

5AM3rd Jul

59AQI

Avg. Lowest Time

10PM3rd Jul

55AQI

In the last 24 hours,

Changchun's AQI reached its highest point of 59 at 5 AM during the Night, while the lowest point, 38, was recorded at 4 PM during the Day between 3rd Jul and 4th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Changchun, Jilin, China

JunJul

04th - 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 - 04th04th

Day

Night

17°C11/23°C

20°C15/25°C

19°C13/26°C

19°C13/25°C

24°C15/32°C

19°C14/26°C

13°C12/14°C

20°C13/26°C

22°C15/29°C

24°C21/29°C

23°C18/29°C

21°C18/26°C

21°C17/25°C

21°C16/25°C

24°C17/30°C

20°C18/22°C

20°C16/24°C

19°C13/24°C

24°C17/31°C

26°C19/33°C

27°C20/34°C

28°C22/35°C

29°C22/35°C

25°C22/29°C

24°C21/27°C

24°C21/29°C

22°C21/24°C

25°C20/29°C

26°C22/30°C

25°C21/30°C

5 AM

1 PM

9 PM

1 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 7 AM

61AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

9 AM - 7 PM

51AQI

11 hours / Day

330 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 61), while the lowest AQI was between 9 AM to 7 PM (Avg. 51).

Night time

Avg. Highest Time

12 AM - 11 PM

60AQI

7 hours / Day

210 hours / Month

Avg. Lowest Time

12 AM - 11 PM

60AQI

7 hours / Day

210 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
Changchun, Jilin, China

2025

56%

103

34%

Total number of days with different AQI categories in last 185 days in 2025 (180 days remaining)

Good

7 Days

Moderate

103 Days

Poor

63 Days

Unhealthy

10 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 4%

Health Risk Level:

Extreme

In 2025, 4% of 185 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
Changchun, Jilin, 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.

124AQI

110AQI

118AQI

95AQI

71AQI

58AQI

56AQI

No. of days

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

202595AQI

103

Highest AQI recorded in

January

124AQI

Lowest AQI recorded in

July

56AQI

202484AQI

164

Highest AQI recorded in

April

129AQI

Lowest AQI recorded in

September

44AQI

202386AQI

162

Highest AQI recorded in

March

125AQI

Lowest AQI recorded in

August

41AQI

202281AQI

161

Highest AQI recorded in

January

128AQI

Lowest AQI recorded in

July

48AQI

202186AQI

188

Highest AQI recorded in

March

121AQI

Lowest AQI recorded in

September

50AQI

202085AQI

123

Highest AQI recorded in

April

197AQI

Lowest AQI recorded in

August

51AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

95AQI

Least Polluted Year Recorded

2022(Avg.)

81AQI

Changchun's annual 2025 AQI (95) shows an average percentage change of 12.8% (worsened AQI) compared to previous years: 2020 (85), 2021 (86), 2022 (81), 2023 (86), 2024 (84).


5 AM	59
6 AM	59
7 AM	59
8 AM	52
9 AM	42
10 AM	38
11 AM	38
12 PM	38
1 PM	38
2 PM	38
3 PM	38
4 PM	38
5 PM	41
6 PM	41
7 PM	44
8 PM	55
9 PM	55
10 PM	55
11 PM	56
12 AM	56
1 AM	59
2 AM	59
3 AM	58
4 AM	57

Changchun, Jilin, China Historical Air Quality Analysis

July Air Quality AnalysisChangchun, Jilin, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025Changchun, Jilin, China

Day & Night AQI Trend : Jun - Jul 2025Changchun, Jilin, China

2025 Days Vs Air Quality Changchun, Jilin, China

Annual Air Quality InsightsChangchun, Jilin, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Changchun, Jilin, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Changchun, Jilin, China

Day & Night AQI Trend : Jun - Jul 2025
Changchun, Jilin, China

2025 Days Vs Air Quality
Changchun, Jilin, China

Annual Air Quality Insights
Changchun, Jilin, China