State Stations, Yanan Beilu, 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
State Stations, Yanan Beilu, Xinjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 58 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
State Stations, Yanan Beilu, Xinjiang, China
5 AM16th Sep 2025
6 PM
4 AM17th Sep 2025
64AQI
44AQI
60AQI
48AQI
In the last 24 hours,
State Stations's AQI reached its highest point of 64 at 12 PM during the Day, while the lowest point, 44, was recorded at 6 PM during the Day between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
State Stations, Yanan Beilu, Xinjiang, China
26°C22/31°C
23°C18/30°C
24°C19/30°C
26°C20/32°C
27°C21/32°C
29°C22/35°C
27°C23/32°C
24°C21/28°C
26°C20/32°C
27°C22/33°C
27°C21/34°C
27°C21/34°C
28°C21/35°C
23°C15/30°C
19°C14/24°C
21°C14/29°C
14°C11/16°C
18°C12/24°C
20°C14/27°C
21°C15/29°C
25°C19/32°C
27°C21/34°C
24°C20/27°C
22°C17/28°C
23°C18/29°C
20°C16/25°C
21°C16/28°C
15°C12/18°C
16°C12/21°C
18°C12/24°C
--°C/°C
54AQI
38AQI
56AQI
44AQI
2025 Days Vs Air Quality
State Stations, Yanan Beilu, Xinjiang, China
27%
69
49%
128
7%
17
12%
31
5%
14
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 27%
Health Risk Level:
Very high
In 2025, 27% of 260 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
State Stations, Yanan Beilu, Xinjiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
237AQI
253AQI
220AQI
221AQI
170AQI
176AQI
182AQI
177AQI
148AQI
137AQI
145AQI
168AQI
197AQI
196AQI
174AQI
175AQI
203AQI
201AQI
195AQI
223AQI
244AQI
253AQI
171AQI
111AQI
112AQI
123AQI
137AQI
167AQI
244AQI
195AQI
232AQI
175AQI
183AQI
125AQI
135AQI
145AQI
154AQI
193AQI
192AQI
207AQI
189AQI
187AQI
207AQI
168AQI
150AQI
161AQI
161AQI
151AQI
190AQI
202AQI
170AQI
165AQI
150AQI
142AQI
169AQI
167AQI
178AQI
124AQI
153AQI
106AQI
107AQI
77AQI
80AQI
69AQI
85AQI
107AQI
67AQI
93AQI
56AQI
65AQI
59AQI
52AQI
58AQI
67AQI
76AQI
81AQI
89AQI
88AQI
85AQI
96AQI
90AQI
96AQI
66AQI
57AQI
59AQI
47AQI
67AQI
74AQI
81AQI
72AQI
79AQI
65AQI
68AQI
65AQI
70AQI
57AQI
55AQI
60AQI
67AQI
52AQI
53AQI
48AQI
59AQI
87AQI
61AQI
71AQI
47AQI
64AQI
48AQI
43AQI
43AQI
54AQI
52AQI
56AQI
51AQI
54AQI
62AQI
48AQI
62AQI
70AQI
49AQI
60AQI
46AQI
50AQI
55AQI
58AQI
70AQI
68AQI
78AQI
79AQI
72AQI
62AQI
58AQI
58AQI
54AQI
63AQI
62AQI
65AQI
61AQI
46AQI
48AQI
50AQI
49AQI
60AQI
51AQI
65AQI
57AQI
50AQI
51AQI
51AQI
47AQI
52AQI
48AQI
51AQI
56AQI
58AQI
65AQI
56AQI
57AQI
62AQI
66AQI
61AQI
57AQI
56AQI
60AQI
56AQI
53AQI
53AQI
55AQI
56AQI
54AQI
54AQI
44AQI
47AQI
45AQI
49AQI
57AQI
54AQI
46AQI
50AQI
52AQI
51AQI
40AQI
47AQI
44AQI
48AQI
49AQI
43AQI
44AQI
45AQI
46AQI
50AQI
48AQI
45AQI
50AQI
52AQI
54AQI
53AQI
49AQI
50AQI
54AQI
53AQI
52AQI
56AQI
57AQI
55AQI
58AQI
58AQI
66AQI
63AQI
62AQI
50AQI
57AQI
56AQI
45AQI
47AQI
51AQI
48AQI
43AQI
51AQI
48AQI
50AQI
48AQI
50AQI
49AQI
49AQI
50AQI
46AQI
49AQI
42AQI
40AQI
41AQI
43AQI
42AQI
44AQI
45AQI
41AQI
41AQI
45AQI
48AQI
49AQI
53AQI
57AQI
53AQI
50AQI
47AQI
36AQI
46AQI
51AQI
56AQI
62AQI
64AQI
61AQI
57AQI
53AQI
58AQI
47AQI
51AQI
58AQI
187AQI
168AQI
77AQI
59AQI
58AQI
54AQI
51AQI
47AQI
53AQI
No. of days
202585AQI
Highest AQI recorded in
January187AQI
Lowest AQI recorded in
August47AQI
202477AQI
Highest AQI recorded in
December145AQI
Lowest AQI recorded in
May42AQI
2023131AQI
Highest AQI recorded in
November143AQI
Lowest AQI recorded in
December130AQI
2021189AQI
Highest AQI recorded in
January189AQI
Lowest AQI recorded in
January189AQI
2020107AQI
Highest AQI recorded in
December256AQI
Lowest AQI recorded in
August65AQI
Most & Least Polluted Years Over the Last 5 Years
State Stations's annual 2025 AQI (85) shows an average percentage change of -25.3% (improved AQI) compared to previous years: 2020 (107), 2021 (189), 2023 (131), 2024 (77).