Dongfeng Reservoir, Yuxi, Yunnan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Dongfeng Reservoir, Yuxi, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Dongfeng Reservoir, Yuxi, Yunnan, China
5 AM3rd Oct 2025
6 PM
4 AM4th Oct 2025
AQI
AQI
45AQI
26AQI
In the last 24 hours,
Dongfeng Reservoir's AQI reached its highest point of 45 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Dongfeng Reservoir, Yuxi, Yunnan, China
20°C14/27°C
20°C14/27°C
20°C15/25°C
19°C14/25°C
18°C13/25°C
18°C15/25°C
18°C14/23°C
18°C14/23°C
18°C15/23°C
17°C14/22°C
18°C14/23°C
18°C14/22°C
18°C13/24°C
17°C13/24°C
17°C13/23°C
18°C14/24°C
18°C13/25°C
19°C13/26°C
18°C14/24°C
17°C14/22°C
17°C14/23°C
15°C11/22°C
14°C12/17°C
17°C14/23°C
17°C13/25°C
15°C12/18°C
15°C13/19°C
16°C14/21°C
17°C13/23°C
--°C/°C
--°C/°C
43AQI
27AQI
45AQI
33AQI
2025 Days Vs Air Quality
Dongfeng Reservoir, Yuxi, Yunnan, China
41%
114
51%
142
7%
20
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 41%
Health Risk Level:
Significant
In 2025, 41% of 276 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Dongfeng Reservoir, Yuxi, Yunnan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
61AQI
69AQI
78AQI
71AQI
73AQI
91AQI
71AQI
72AQI
84AQI
72AQI
61AQI
80AQI
72AQI
77AQI
109AQI
107AQI
94AQI
85AQI
100AQI
92AQI
83AQI
73AQI
72AQI
57AQI
57AQI
46AQI
66AQI
90AQI
108AQI
76AQI
82AQI
87AQI
91AQI
58AQI
88AQI
93AQI
98AQI
77AQI
93AQI
80AQI
81AQI
84AQI
84AQI
91AQI
77AQI
70AQI
79AQI
67AQI
65AQI
65AQI
71AQI
75AQI
70AQI
71AQI
43AQI
52AQI
42AQI
48AQI
52AQI
56AQI
60AQI
64AQI
68AQI
73AQI
69AQI
64AQI
66AQI
67AQI
62AQI
71AQI
77AQI
91AQI
99AQI
103AQI
90AQI
94AQI
62AQI
73AQI
83AQI
114AQI
110AQI
100AQI
85AQI
82AQI
84AQI
86AQI
133AQI
140AQI
149AQI
141AQI
100AQI
133AQI
130AQI
135AQI
145AQI
133AQI
130AQI
118AQI
112AQI
111AQI
99AQI
77AQI
87AQI
78AQI
74AQI
56AQI
48AQI
60AQI
59AQI
65AQI
62AQI
60AQI
74AQI
80AQI
86AQI
96AQI
92AQI
106AQI
74AQI
72AQI
64AQI
64AQI
53AQI
47AQI
54AQI
54AQI
54AQI
59AQI
68AQI
68AQI
49AQI
61AQI
59AQI
61AQI
53AQI
53AQI
58AQI
42AQI
54AQI
57AQI
60AQI
58AQI
72AQI
60AQI
56AQI
42AQI
44AQI
38AQI
34AQI
35AQI
34AQI
32AQI
35AQI
34AQI
50AQI
47AQI
60AQI
58AQI
58AQI
54AQI
60AQI
60AQI
63AQI
64AQI
68AQI
65AQI
59AQI
52AQI
46AQI
42AQI
42AQI
38AQI
27AQI
28AQI
29AQI
30AQI
31AQI
32AQI
37AQI
32AQI
38AQI
35AQI
30AQI
34AQI
36AQI
36AQI
33AQI
38AQI
35AQI
33AQI
39AQI
39AQI
42AQI
48AQI
47AQI
50AQI
56AQI
52AQI
49AQI
47AQI
52AQI
46AQI
38AQI
36AQI
33AQI
34AQI
35AQI
36AQI
47AQI
55AQI
57AQI
46AQI
55AQI
53AQI
50AQI
44AQI
55AQI
51AQI
44AQI
37AQI
35AQI
38AQI
37AQI
37AQI
39AQI
51AQI
55AQI
45AQI
42AQI
46AQI
49AQI
47AQI
41AQI
39AQI
38AQI
40AQI
40AQI
39AQI
38AQI
40AQI
39AQI
40AQI
42AQI
48AQI
49AQI
44AQI
38AQI
41AQI
48AQI
51AQI
51AQI
47AQI
47AQI
43AQI
40AQI
41AQI
42AQI
42AQI
41AQI
45AQI
49AQI
45AQI
45AQI
42AQI
42AQI
38AQI
34AQI
36AQI
18AQI
23AQI
27AQI
15AQI
13AQI
19AQI
33AQI
32AQI
78AQI
73AQI
88AQI
92AQI
54AQI
46AQI
42AQI
43AQI
40AQI
28AQI
No. of days
202561AQI
Highest AQI recorded in
April92AQI
Lowest AQI recorded in
October28AQI
202463AQI
Highest AQI recorded in
April108AQI
Lowest AQI recorded in
July36AQI
202370AQI
Highest AQI recorded in
April112AQI
Lowest AQI recorded in
July38AQI
202259AQI
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
June34AQI
202161AQI
Highest AQI recorded in
March121AQI
Lowest AQI recorded in
July34AQI
202053AQI
Highest AQI recorded in
March117AQI
Lowest AQI recorded in
July28AQI
Most & Least Polluted Years Over the Last 6 Years
Dongfeng Reservoir's annual 2025 AQI (61) shows an average percentage change of 0.8% (worsened AQI) compared to previous years: 2020 (53), 2021 (61), 2022 (59), 2023 (70), 2024 (63).