Dali, Shaanxi, 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, Shaanxi, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 64 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: 3rd Aug - 4th Aug 2025
Dali, Shaanxi, 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, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dali, Shaanxi, China
28°C23/34°C
29°C23/37°C
30°C25/37°C
25°C24/28°C
25°C23/29°C
27°C22/33°C
29°C25/34°C
30°C24/35°C
32°C26/38°C
33°C27/39°C
34°C28/40°C
35°C31/40°C
33°C27/39°C
33°C27/39°C
31°C26/37°C
24°C22/26°C
28°C22/33°C
28°C24/32°C
28°C24/33°C
30°C25/36°C
31°C26/37°C
32°C26/38°C
31°C26/38°C
32°C26/39°C
31°C27/37°C
32°C27/39°C
32°C26/38°C
32°C26/38°C
33°C26/40°C
--°C/°C
--°C/°C
58AQI
53AQI
58AQI
58AQI
2025 Days Vs Air Quality
Dali, Shaanxi, China
0.4%
1
54%
116
33%
71
11%
24
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 0.47%
Health Risk Level:
Extreme
In 2025, 0.47% of 215 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, Shaanxi, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
142AQI
123AQI
140AQI
158AQI
145AQI
99AQI
94AQI
81AQI
92AQI
111AQI
93AQI
97AQI
134AQI
81AQI
86AQI
100AQI
121AQI
137AQI
143AQI
157AQI
157AQI
182AQI
188AQI
171AQI
126AQI
99AQI
92AQI
116AQI
157AQI
166AQI
192AQI
187AQI
170AQI
99AQI
109AQI
77AQI
96AQI
71AQI
65AQI
91AQI
122AQI
134AQI
102AQI
115AQI
128AQI
124AQI
105AQI
124AQI
134AQI
144AQI
156AQI
162AQI
166AQI
91AQI
123AQI
119AQI
134AQI
142AQI
151AQI
155AQI
116AQI
91AQI
102AQI
129AQI
132AQI
141AQI
136AQI
131AQI
140AQI
148AQI
190AQI
127AQI
133AQI
81AQI
76AQI
76AQI
65AQI
73AQI
68AQI
79AQI
90AQI
108AQI
228AQI
111AQI
178AQI
144AQI
146AQI
111AQI
111AQI
110AQI
100AQI
88AQI
103AQI
118AQI
86AQI
115AQI
105AQI
120AQI
131AQI
96AQI
146AQI
160AQI
120AQI
86AQI
87AQI
134AQI
134AQI
147AQI
118AQI
113AQI
111AQI
182AQI
131AQI
105AQI
109AQI
96AQI
84AQI
66AQI
74AQI
125AQI
116AQI
115AQI
84AQI
105AQI
162AQI
300AQI
171AQI
156AQI
110AQI
99AQI
82AQI
85AQI
74AQI
88AQI
90AQI
90AQI
196AQI
132AQI
121AQI
119AQI
111AQI
128AQI
95AQI
100AQI
81AQI
79AQI
85AQI
88AQI
89AQI
89AQI
76AQI
81AQI
73AQI
64AQI
70AQI
63AQI
74AQI
75AQI
77AQI
76AQI
78AQI
80AQI
81AQI
83AQI
74AQI
70AQI
75AQI
73AQI
70AQI
69AQI
70AQI
71AQI
71AQI
70AQI
68AQI
69AQI
65AQI
66AQI
60AQI
64AQI
59AQI
58AQI
53AQI
55AQI
55AQI
49AQI
54AQI
53AQI
62AQI
65AQI
65AQI
72AQI
74AQI
72AQI
69AQI
68AQI
65AQI
67AQI
66AQI
68AQI
61AQI
65AQI
68AQI
58AQI
51AQI
53AQI
55AQI
59AQI
58AQI
60AQI
62AQI
60AQI
63AQI
64AQI
128AQI
123AQI
120AQI
113AQI
113AQI
71AQI
61AQI
64AQI
No. of days
2025104AQI
Highest AQI recorded in
January128AQI
Lowest AQI recorded in
July61AQI
2024105AQI
Highest AQI recorded in
February152AQI
Lowest AQI recorded in
August72AQI
2023112AQI
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
July72AQI
2022115AQI
Highest AQI recorded in
January155AQI
Lowest AQI recorded in
August70AQI
2021106AQI
Highest AQI recorded in
March191AQI
Lowest AQI recorded in
September63AQI
2020100AQI
Highest AQI recorded in
December139AQI
Lowest AQI recorded in
August73AQI
Most & Least Polluted Years Over the Last 6 Years
Dali's annual 2025 AQI (104) shows an average percentage change of -3.3% (improved AQI) compared to previous years: 2020 (100), 2021 (106), 2022 (115), 2023 (112), 2024 (105).