Kunming, Yunnan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Kunming, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 57 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Kunming, Yunnan, China
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
74AQI
45AQI
In the last 24 hours,
Kunming's AQI reached its highest point of 74 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kunming, Yunnan, China
19°C15/23°C
18°C15/23°C
18°C15/22°C
18°C15/22°C
19°C15/24°C
19°C16/23°C
19°C16/23°C
19°C15/25°C
19°C15/25°C
19°C15/26°C
19°C15/25°C
20°C15/26°C
20°C16/26°C
20°C16/27°C
21°C16/27°C
20°C17/24°C
20°C16/25°C
20°C16/25°C
19°C16/23°C
19°C17/23°C
19°C16/23°C
19°C16/23°C
18°C16/21°C
18°C16/22°C
19°C14/26°C
20°C15/26°C
20°C17/26°C
18°C16/22°C
19°C14/25°C
--°C/°C
--°C/°C
45AQI
45AQI
48AQI
48AQI
2025 Days Vs Air Quality
Kunming, Yunnan, China
20%
43
71%
151
9%
19
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2025, 20% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Kunming, Yunnan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
66AQI
79AQI
83AQI
83AQI
77AQI
85AQI
69AQI
69AQI
85AQI
63AQI
60AQI
87AQI
74AQI
84AQI
115AQI
116AQI
89AQI
82AQI
95AQI
93AQI
80AQI
79AQI
70AQI
55AQI
58AQI
54AQI
70AQI
85AQI
97AQI
75AQI
75AQI
84AQI
88AQI
60AQI
87AQI
83AQI
90AQI
69AQI
82AQI
76AQI
74AQI
71AQI
85AQI
85AQI
75AQI
68AQI
74AQI
56AQI
58AQI
61AQI
61AQI
67AQI
63AQI
71AQI
51AQI
56AQI
41AQI
41AQI
51AQI
53AQI
57AQI
59AQI
61AQI
63AQI
56AQI
62AQI
66AQI
67AQI
63AQI
68AQI
77AQI
91AQI
103AQI
105AQI
81AQI
79AQI
62AQI
77AQI
88AQI
110AQI
104AQI
97AQI
83AQI
78AQI
75AQI
74AQI
114AQI
127AQI
121AQI
118AQI
96AQI
101AQI
120AQI
110AQI
124AQI
110AQI
117AQI
107AQI
101AQI
109AQI
92AQI
79AQI
86AQI
80AQI
77AQI
60AQI
63AQI
61AQI
63AQI
64AQI
64AQI
61AQI
69AQI
74AQI
76AQI
91AQI
86AQI
87AQI
73AQI
74AQI
62AQI
64AQI
55AQI
49AQI
59AQI
57AQI
55AQI
61AQI
66AQI
62AQI
57AQI
64AQI
61AQI
64AQI
61AQI
60AQI
64AQI
61AQI
61AQI
61AQI
61AQI
61AQI
75AQI
61AQI
53AQI
51AQI
47AQI
45AQI
43AQI
38AQI
36AQI
36AQI
40AQI
41AQI
58AQI
52AQI
61AQI
60AQI
68AQI
66AQI
65AQI
61AQI
67AQI
72AQI
72AQI
68AQI
64AQI
55AQI
50AQI
48AQI
48AQI
54AQI
55AQI
46AQI
41AQI
39AQI
41AQI
40AQI
46AQI
40AQI
43AQI
39AQI
33AQI
38AQI
38AQI
36AQI
35AQI
39AQI
36AQI
37AQI
39AQI
40AQI
46AQI
52AQI
51AQI
56AQI
56AQI
54AQI
56AQI
45AQI
54AQI
49AQI
43AQI
42AQI
41AQI
43AQI
43AQI
42AQI
48AQI
56AQI
53AQI
51AQI
57AQI
79AQI
69AQI
82AQI
86AQI
57AQI
53AQI
45AQI
57AQI
No. of days
202567AQI
Highest AQI recorded in
April86AQI
Lowest AQI recorded in
July45AQI
202461AQI
Highest AQI recorded in
April94AQI
Lowest AQI recorded in
July35AQI
202370AQI
Highest AQI recorded in
February103AQI
Lowest AQI recorded in
July44AQI
202266AQI
Highest AQI recorded in
March95AQI
Lowest AQI recorded in
June45AQI
202171AQI
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
October43AQI
202065AQI
Highest AQI recorded in
March118AQI
Lowest AQI recorded in
July43AQI
Most & Least Polluted Years Over the Last 6 Years
Kunming's annual 2025 AQI (67) shows an average percentage change of 1.1% (worsened AQI) compared to previous years: 2020 (65), 2021 (71), 2022 (66), 2023 (70), 2024 (61).