Dali, 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
Dali, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Dali, Yunnan, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
71AQI
52AQI
In the last 24 hours,
Dali's AQI reached its highest point of 71 at 9 AM during the Night, while the lowest point, 52, was recorded at 4 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dali, Yunnan, China
17°C16/18°C
17°C16/19°C
17°C16/19°C
18°C15/21°C
20°C16/25°C
21°C16/27°C
21°C17/26°C
21°C16/26°C
21°C16/26°C
22°C17/27°C
21°C17/26°C
21°C17/27°C
21°C17/27°C
22°C17/28°C
19°C16/20°C
21°C16/27°C
21°C17/27°C
21°C17/26°C
20°C17/24°C
20°C17/25°C
19°C17/22°C
18°C17/18°C
19°C16/24°C
21°C15/26°C
21°C16/27°C
21°C17/26°C
19°C17/21°C
20°C17/25°C
20°C16/25°C
--°C/°C
--°C/°C
58AQI
53AQI
59AQI
59AQI
2025 Days Vs Air Quality
Dali, Yunnan, China
21%
46
73%
157
5%
11
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 215 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
Dali, Yunnan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
67AQI
68AQI
70AQI
70AQI
71AQI
63AQI
66AQI
62AQI
63AQI
62AQI
69AQI
69AQI
73AQI
78AQI
81AQI
72AQI
72AQI
67AQI
66AQI
76AQI
83AQI
76AQI
66AQI
69AQI
72AQI
70AQI
89AQI
89AQI
82AQI
83AQI
89AQI
90AQI
91AQI
87AQI
83AQI
90AQI
89AQI
75AQI
78AQI
74AQI
70AQI
71AQI
78AQI
71AQI
61AQI
64AQI
60AQI
61AQI
65AQI
56AQI
56AQI
55AQI
58AQI
57AQI
57AQI
46AQI
45AQI
50AQI
57AQI
64AQI
57AQI
62AQI
65AQI
67AQI
74AQI
80AQI
76AQI
69AQI
68AQI
81AQI
93AQI
98AQI
87AQI
97AQI
89AQI
95AQI
71AQI
90AQI
100AQI
88AQI
96AQI
79AQI
75AQI
73AQI
73AQI
109AQI
125AQI
127AQI
135AQI
145AQI
127AQI
135AQI
120AQI
116AQI
110AQI
100AQI
107AQI
98AQI
91AQI
82AQI
77AQI
61AQI
66AQI
68AQI
58AQI
65AQI
57AQI
58AQI
55AQI
58AQI
56AQI
71AQI
75AQI
88AQI
92AQI
92AQI
89AQI
75AQI
76AQI
64AQI
63AQI
62AQI
51AQI
57AQI
59AQI
59AQI
59AQI
60AQI
65AQI
61AQI
65AQI
63AQI
62AQI
62AQI
62AQI
61AQI
57AQI
61AQI
59AQI
59AQI
56AQI
70AQI
58AQI
51AQI
48AQI
44AQI
44AQI
42AQI
42AQI
38AQI
39AQI
39AQI
43AQI
60AQI
59AQI
61AQI
56AQI
57AQI
60AQI
58AQI
58AQI
63AQI
67AQI
64AQI
61AQI
55AQI
51AQI
46AQI
44AQI
46AQI
50AQI
58AQI
45AQI
42AQI
45AQI
41AQI
41AQI
46AQI
41AQI
42AQI
45AQI
49AQI
42AQI
44AQI
39AQI
40AQI
41AQI
39AQI
39AQI
45AQI
45AQI
48AQI
53AQI
57AQI
51AQI
55AQI
55AQI
53AQI
47AQI
51AQI
47AQI
49AQI
50AQI
48AQI
47AQI
47AQI
46AQI
47AQI
51AQI
52AQI
48AQI
56AQI
54AQI
72AQI
69AQI
85AQI
86AQI
57AQI
51AQI
47AQI
55AQI
No. of days
202566AQI
Highest AQI recorded in
April86AQI
Lowest AQI recorded in
July47AQI
202455AQI
Highest AQI recorded in
April82AQI
Lowest AQI recorded in
January37AQI
202356AQI
Highest AQI recorded in
April89AQI
Lowest AQI recorded in
July38AQI
202249AQI
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
August26AQI
202159AQI
Highest AQI recorded in
March106AQI
Lowest AQI recorded in
July39AQI
202053AQI
Highest AQI recorded in
March89AQI
Lowest AQI recorded in
July36AQI
Most & Least Polluted Years Over the Last 6 Years
Dali's annual 2025 AQI (66) shows an average percentage change of 22.8% (worsened AQI) compared to previous years: 2020 (53), 2021 (59), 2022 (49), 2023 (56), 2024 (55).