Dali City Environmental Monitoring Station, 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 City Environmental Monitoring Station, Dali, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Dali City Environmental Monitoring Station, Dali, Yunnan, China
5 AM5th Aug 2025
7 PM
4 AM6th Aug 2025
54AQI
42AQI
54AQI
52AQI
In the last 24 hours,
Dali City Environmental Monitoring Station's AQI reached its highest point of 54 at 7 AM during the Day, while the lowest point, 42, was recorded at 8 AM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dali City Environmental Monitoring Station, Dali, Yunnan, China
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
20°C16/26°C
20°C15/25°C
21°C16/26°C
--°C/°C
50AQI
44AQI
54AQI
54AQI
2025 Days Vs Air Quality
Dali City Environmental Monitoring Station, Dali, Yunnan, China
19%
42
76%
164
5%
11
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 19%
Health Risk Level:
Extreme
In 2025, 19% of 218 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
Dali City Environmental Monitoring Station, Dali, Yunnan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
66AQI
69AQI
69AQI
68AQI
71AQI
64AQI
67AQI
64AQI
64AQI
65AQI
68AQI
71AQI
74AQI
76AQI
81AQI
72AQI
73AQI
68AQI
67AQI
80AQI
85AQI
79AQI
68AQI
69AQI
72AQI
71AQI
82AQI
81AQI
81AQI
81AQI
87AQI
87AQI
90AQI
85AQI
85AQI
91AQI
91AQI
76AQI
80AQI
77AQI
73AQI
73AQI
79AQI
75AQI
64AQI
68AQI
63AQI
64AQI
68AQI
58AQI
58AQI
58AQI
62AQI
61AQI
59AQI
50AQI
50AQI
53AQI
62AQI
68AQI
63AQI
66AQI
70AQI
71AQI
78AQI
81AQI
79AQI
71AQI
70AQI
82AQI
95AQI
100AQI
90AQI
99AQI
90AQI
99AQI
71AQI
88AQI
99AQI
90AQI
96AQI
78AQI
76AQI
72AQI
75AQI
110AQI
124AQI
127AQI
133AQI
147AQI
130AQI
138AQI
123AQI
118AQI
110AQI
99AQI
107AQI
98AQI
89AQI
83AQI
75AQI
63AQI
66AQI
68AQI
59AQI
65AQI
59AQI
59AQI
57AQI
59AQI
57AQI
72AQI
77AQI
87AQI
93AQI
90AQI
87AQI
76AQI
77AQI
65AQI
64AQI
62AQI
53AQI
58AQI
60AQI
59AQI
60AQI
60AQI
65AQI
63AQI
65AQI
62AQI
63AQI
62AQI
63AQI
62AQI
58AQI
61AQI
59AQI
60AQI
57AQI
71AQI
60AQI
53AQI
49AQI
46AQI
45AQI
43AQI
42AQI
39AQI
39AQI
40AQI
43AQI
60AQI
60AQI
63AQI
58AQI
57AQI
60AQI
59AQI
59AQI
63AQI
67AQI
65AQI
61AQI
55AQI
51AQI
46AQI
43AQI
47AQI
50AQI
55AQI
45AQI
43AQI
46AQI
43AQI
43AQI
47AQI
42AQI
42AQI
47AQI
51AQI
44AQI
47AQI
41AQI
41AQI
42AQI
40AQI
40AQI
48AQI
48AQI
50AQI
55AQI
57AQI
53AQI
56AQI
57AQI
55AQI
48AQI
53AQI
48AQI
54AQI
51AQI
51AQI
52AQI
50AQI
48AQI
49AQI
52AQI
53AQI
49AQI
56AQI
53AQI
50AQI
49AQI
53AQI
72AQI
71AQI
86AQI
86AQI
58AQI
52AQI
49AQI
52AQI
No. of days
202567AQI
Highest AQI recorded in
April86AQI
Lowest AQI recorded in
July49AQI
202456AQI
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
January38AQI
202361AQI
Highest AQI recorded in
April93AQI
Lowest AQI recorded in
July37AQI
202256AQI
Highest AQI recorded in
March93AQI
Lowest AQI recorded in
August26AQI
202166AQI
Highest AQI recorded in
March114AQI
Lowest AQI recorded in
August42AQI
202055AQI
Highest AQI recorded in
March95AQI
Lowest AQI recorded in
July35AQI
Most & Least Polluted Years Over the Last 6 Years
Dali City Environmental Monitoring Station's annual 2025 AQI (67) shows an average percentage change of 15.08% (worsened AQI) compared to previous years: 2020 (55), 2021 (66), 2022 (56), 2023 (61), 2024 (56).