Yili, Ailan Mubage, Xinjiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Yili, Ailan Mubage, Xinjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 61 of Moderate air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Yili, Ailan Mubage, Xinjiang, China
5 AM16th Sep 2025
7 PM
4 AM17th Sep 2025
70AQI
43AQI
78AQI
53AQI
In the last 24 hours,
Yili's AQI reached its highest point of 78 at 10 PM during the Night, while the lowest point, 43, was recorded at 5 PM during the Day between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Yili, Ailan Mubage, Xinjiang, China
21°C17/25°C
22°C14/31°C
24°C16/34°C
25°C17/33°C
25°C17/35°C
26°C19/36°C
26°C21/32°C
24°C17/32°C
25°C16/34°C
24°C16/34°C
25°C16/35°C
25°C17/35°C
27°C18/36°C
23°C17/26°C
18°C10/27°C
20°C11/29°C
20°C15/26°C
19°C11/29°C
22°C13/34°C
23°C15/33°C
25°C17/35°C
26°C18/35°C
22°C17/28°C
21°C16/29°C
19°C15/24°C
22°C15/30°C
23°C16/31°C
21°C16/27°C
19°C13/27°C
21°C14/30°C
--°C/°C
56AQI
45AQI
58AQI
52AQI
2025 Days Vs Air Quality
Yili, Ailan Mubage, Xinjiang, China
8%
20
64%
165
24%
61
5%
13
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 260 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
Yili, Ailan Mubage, Xinjiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
123AQI
142AQI
142AQI
131AQI
143AQI
159AQI
172AQI
137AQI
105AQI
119AQI
116AQI
152AQI
152AQI
158AQI
147AQI
122AQI
118AQI
150AQI
156AQI
162AQI
157AQI
149AQI
84AQI
96AQI
98AQI
90AQI
114AQI
108AQI
149AQI
160AQI
95AQI
99AQI
111AQI
108AQI
109AQI
143AQI
141AQI
136AQI
122AQI
148AQI
154AQI
140AQI
154AQI
127AQI
151AQI
135AQI
147AQI
154AQI
148AQI
126AQI
113AQI
116AQI
102AQI
101AQI
95AQI
91AQI
105AQI
80AQI
98AQI
121AQI
107AQI
127AQI
73AQI
70AQI
80AQI
76AQI
56AQI
63AQI
44AQI
66AQI
72AQI
66AQI
61AQI
98AQI
86AQI
81AQI
77AQI
78AQI
78AQI
81AQI
80AQI
93AQI
78AQI
60AQI
76AQI
76AQI
90AQI
90AQI
75AQI
71AQI
83AQI
72AQI
78AQI
67AQI
98AQI
70AQI
82AQI
78AQI
78AQI
70AQI
73AQI
74AQI
110AQI
108AQI
77AQI
80AQI
67AQI
79AQI
68AQI
68AQI
70AQI
82AQI
87AQI
89AQI
73AQI
76AQI
71AQI
79AQI
90AQI
95AQI
86AQI
78AQI
70AQI
69AQI
75AQI
76AQI
80AQI
78AQI
83AQI
79AQI
79AQI
66AQI
66AQI
69AQI
74AQI
82AQI
73AQI
117AQI
72AQI
82AQI
69AQI
73AQI
78AQI
66AQI
68AQI
70AQI
63AQI
65AQI
79AQI
99AQI
95AQI
95AQI
89AQI
95AQI
105AQI
134AQI
128AQI
117AQI
134AQI
120AQI
117AQI
120AQI
118AQI
117AQI
130AQI
128AQI
137AQI
132AQI
124AQI
123AQI
117AQI
107AQI
112AQI
94AQI
81AQI
76AQI
80AQI
74AQI
55AQI
70AQI
66AQI
70AQI
63AQI
58AQI
59AQI
58AQI
57AQI
60AQI
58AQI
60AQI
55AQI
53AQI
54AQI
54AQI
54AQI
49AQI
53AQI
53AQI
51AQI
48AQI
48AQI
51AQI
48AQI
45AQI
50AQI
51AQI
56AQI
57AQI
59AQI
58AQI
55AQI
51AQI
57AQI
58AQI
51AQI
50AQI
54AQI
53AQI
53AQI
55AQI
55AQI
56AQI
52AQI
55AQI
56AQI
53AQI
54AQI
54AQI
53AQI
50AQI
48AQI
48AQI
49AQI
45AQI
48AQI
47AQI
45AQI
46AQI
50AQI
51AQI
53AQI
53AQI
55AQI
55AQI
52AQI
50AQI
43AQI
53AQI
55AQI
57AQI
66AQI
62AQI
61AQI
55AQI
57AQI
62AQI
57AQI
54AQI
61AQI
132AQI
123AQI
79AQI
80AQI
77AQI
107AQI
55AQI
52AQI
56AQI
No. of days
202586AQI
Highest AQI recorded in
January132AQI
Lowest AQI recorded in
August52AQI
202467AQI
Highest AQI recorded in
December111AQI
Lowest AQI recorded in
July51AQI
202393AQI
Highest AQI recorded in
January187AQI
Lowest AQI recorded in
September58AQI
202298AQI
Highest AQI recorded in
December175AQI
Lowest AQI recorded in
August59AQI
202194AQI
Highest AQI recorded in
January163AQI
Lowest AQI recorded in
June57AQI
202088AQI
Highest AQI recorded in
December173AQI
Lowest AQI recorded in
August54AQI
Most & Least Polluted Years Over the Last 6 Years
Yili's annual 2025 AQI (86) shows an average percentage change of -0.9% (improved AQI) compared to previous years: 2020 (88), 2021 (94), 2022 (98), 2023 (93), 2024 (67).