Training Base, Urumqi, 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
Training Base, Urumqi, Xinjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Training Base, Urumqi, Xinjiang, China
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
AQI
AQI
63AQI
38AQI
In the last 24 hours,
Training Base's AQI reached its highest point of 63 at 11 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Training Base, Urumqi, Xinjiang, China
20°C15/25°C
22°C17/27°C
23°C19/27°C
23°C18/28°C
26°C19/32°C
25°C22/28°C
21°C17/25°C
23°C19/27°C
24°C20/29°C
25°C20/30°C
24°C19/29°C
25°C19/32°C
21°C11/28°C
16°C11/20°C
19°C13/26°C
12°C8/13°C
15°C10/21°C
18°C13/24°C
19°C14/25°C
23°C17/29°C
25°C19/31°C
21°C19/24°C
19°C14/25°C
20°C15/26°C
17°C14/22°C
19°C14/25°C
12°C10/15°C
13°C10/17°C
16°C11/22°C
--°C/°C
--°C/°C
55AQI
44AQI
56AQI
49AQI
2025 Days Vs Air Quality
Training Base, Urumqi, Xinjiang, China
35%
91
51%
132
13%
34
0.7%
2
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2025, 35% of 260 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Training Base, Urumqi, Xinjiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
120AQI
115AQI
95AQI
123AQI
131AQI
112AQI
128AQI
140AQI
90AQI
93AQI
114AQI
138AQI
140AQI
135AQI
99AQI
131AQI
110AQI
105AQI
120AQI
105AQI
152AQI
135AQI
102AQI
87AQI
69AQI
76AQI
107AQI
131AQI
108AQI
95AQI
104AQI
77AQI
100AQI
116AQI
121AQI
116AQI
102AQI
110AQI
109AQI
149AQI
123AQI
111AQI
159AQI
109AQI
81AQI
86AQI
81AQI
69AQI
84AQI
101AQI
82AQI
75AQI
77AQI
78AQI
88AQI
96AQI
100AQI
69AQI
65AQI
62AQI
52AQI
58AQI
54AQI
45AQI
60AQI
66AQI
45AQI
58AQI
36AQI
50AQI
47AQI
48AQI
58AQI
71AQI
81AQI
79AQI
86AQI
76AQI
84AQI
86AQI
84AQI
103AQI
71AQI
69AQI
63AQI
61AQI
74AQI
76AQI
79AQI
75AQI
96AQI
74AQI
74AQI
75AQI
68AQI
59AQI
59AQI
61AQI
66AQI
54AQI
56AQI
59AQI
61AQI
80AQI
61AQI
65AQI
50AQI
61AQI
56AQI
50AQI
50AQI
53AQI
47AQI
59AQI
49AQI
59AQI
59AQI
54AQI
63AQI
67AQI
60AQI
60AQI
51AQI
54AQI
60AQI
64AQI
72AQI
67AQI
78AQI
70AQI
63AQI
63AQI
58AQI
50AQI
50AQI
54AQI
59AQI
57AQI
56AQI
47AQI
46AQI
50AQI
54AQI
61AQI
58AQI
67AQI
52AQI
51AQI
46AQI
44AQI
44AQI
39AQI
40AQI
43AQI
53AQI
58AQI
60AQI
53AQI
49AQI
61AQI
59AQI
55AQI
54AQI
52AQI
58AQI
55AQI
49AQI
48AQI
46AQI
48AQI
49AQI
46AQI
31AQI
39AQI
38AQI
47AQI
52AQI
51AQI
52AQI
48AQI
49AQI
50AQI
42AQI
41AQI
44AQI
48AQI
47AQI
43AQI
44AQI
43AQI
44AQI
45AQI
45AQI
45AQI
43AQI
44AQI
49AQI
47AQI
46AQI
44AQI
51AQI
48AQI
48AQI
49AQI
49AQI
45AQI
48AQI
49AQI
57AQI
58AQI
57AQI
48AQI
56AQI
54AQI
48AQI
44AQI
46AQI
49AQI
46AQI
46AQI
41AQI
48AQI
42AQI
45AQI
49AQI
50AQI
48AQI
48AQI
49AQI
46AQI
41AQI
41AQI
45AQI
40AQI
43AQI
46AQI
45AQI
42AQI
45AQI
45AQI
48AQI
54AQI
57AQI
55AQI
59AQI
53AQI
40AQI
51AQI
56AQI
58AQI
67AQI
62AQI
60AQI
55AQI
50AQI
58AQI
51AQI
51AQI
54AQI
113AQI
98AQI
66AQI
62AQI
57AQI
49AQI
47AQI
47AQI
55AQI
No. of days
202566AQI
Highest AQI recorded in
January113AQI
Lowest AQI recorded in
August47AQI
202445AQI
Highest AQI recorded in
December92AQI
Lowest AQI recorded in
July23AQI
202347AQI
Highest AQI recorded in
April58AQI
Lowest AQI recorded in
November29AQI
202247AQI
Highest AQI recorded in
May58AQI
Lowest AQI recorded in
November39AQI
202151AQI
Highest AQI recorded in
May66AQI
Lowest AQI recorded in
December37AQI
202053AQI
Highest AQI recorded in
April79AQI
Lowest AQI recorded in
September44AQI
Most & Least Polluted Years Over the Last 6 Years
Training Base's annual 2025 AQI (66) shows an average percentage change of 37.3% (worsened AQI) compared to previous years: 2020 (53), 2021 (51), 2022 (47), 2023 (47), 2024 (45).