Silu Hospital, Xining, Qinghai, 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
Silu Hospital, Xining, Qinghai, China
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 66 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Silu Hospital, Xining, Qinghai, China
6 AM20th Sep 2025
7 PM
5 AM21st Sep 2025
AQI
AQI
74AQI
58AQI
In the last 24 hours,
Silu Hospital's AQI reached its highest point of 74 at 11 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Silu Hospital, Xining, Qinghai, China
12°C9/16°C
14°C6/22°C
17°C10/24°C
17°C11/23°C
16°C13/20°C
11°C8/12°C
9°C7/10°C
12°C5/20°C
13°C6/21°C
14°C7/23°C
16°C9/24°C
13°C9/18°C
15°C10/22°C
15°C8/23°C
13°C9/20°C
14°C7/23°C
15°C9/21°C
14°C9/21°C
15°C8/23°C
15°C9/23°C
16°C10/23°C
14°C8/23°C
16°C8/26°C
15°C8/23°C
15°C10/22°C
12°C7/20°C
9°C6/16°C
10°C6/16°C
12°C6/20°C
--°C/°C
--°C/°C
74AQI
60AQI
71AQI
61AQI
2025 Days Vs Air Quality
Silu Hospital, Xining, Qinghai, China
0.3%
1
73%
191
27%
70
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 0.38%
Health Risk Level:
Extreme
In 2025, 0.38% of 263 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
Silu Hospital, Xining, Qinghai, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
118AQI
113AQI
135AQI
123AQI
132AQI
132AQI
124AQI
131AQI
134AQI
105AQI
105AQI
101AQI
106AQI
105AQI
128AQI
129AQI
120AQI
103AQI
120AQI
109AQI
129AQI
119AQI
137AQI
127AQI
106AQI
88AQI
104AQI
123AQI
138AQI
124AQI
116AQI
118AQI
96AQI
105AQI
95AQI
89AQI
88AQI
79AQI
96AQI
94AQI
96AQI
97AQI
104AQI
116AQI
76AQI
83AQI
75AQI
74AQI
72AQI
81AQI
78AQI
87AQI
81AQI
78AQI
77AQI
71AQI
68AQI
75AQI
74AQI
81AQI
64AQI
77AQI
82AQI
70AQI
81AQI
82AQI
79AQI
79AQI
77AQI
134AQI
98AQI
96AQI
100AQI
85AQI
88AQI
84AQI
85AQI
86AQI
94AQI
93AQI
97AQI
82AQI
103AQI
126AQI
130AQI
97AQI
112AQI
98AQI
125AQI
120AQI
145AQI
143AQI
138AQI
146AQI
127AQI
123AQI
131AQI
117AQI
114AQI
95AQI
103AQI
110AQI
90AQI
95AQI
88AQI
118AQI
109AQI
124AQI
146AQI
147AQI
127AQI
131AQI
99AQI
98AQI
98AQI
96AQI
89AQI
90AQI
91AQI
103AQI
87AQI
106AQI
121AQI
105AQI
121AQI
130AQI
137AQI
113AQI
98AQI
84AQI
92AQI
87AQI
92AQI
75AQI
82AQI
85AQI
121AQI
93AQI
100AQI
92AQI
107AQI
97AQI
88AQI
83AQI
75AQI
77AQI
75AQI
81AQI
87AQI
99AQI
104AQI
89AQI
84AQI
77AQI
80AQI
82AQI
86AQI
90AQI
94AQI
87AQI
78AQI
85AQI
91AQI
96AQI
91AQI
94AQI
86AQI
95AQI
94AQI
86AQI
82AQI
80AQI
64AQI
68AQI
63AQI
65AQI
65AQI
62AQI
64AQI
65AQI
65AQI
64AQI
64AQI
65AQI
53AQI
56AQI
54AQI
59AQI
60AQI
62AQI
63AQI
60AQI
63AQI
72AQI
71AQI
74AQI
68AQI
65AQI
70AQI
67AQI
61AQI
61AQI
64AQI
68AQI
60AQI
57AQI
62AQI
65AQI
61AQI
62AQI
64AQI
74AQI
63AQI
64AQI
64AQI
54AQI
58AQI
59AQI
63AQI
51AQI
56AQI
62AQI
62AQI
58AQI
60AQI
57AQI
58AQI
57AQI
59AQI
60AQI
57AQI
62AQI
51AQI
52AQI
52AQI
56AQI
60AQI
55AQI
51AQI
48AQI
51AQI
53AQI
56AQI
56AQI
63AQI
62AQI
69AQI
62AQI
72AQI
70AQI
79AQI
94AQI
70AQI
65AQI
61AQI
72AQI
74AQI
88AQI
78AQI
61AQI
59AQI
66AQI
119AQI
87AQI
94AQI
114AQI
97AQI
80AQI
64AQI
57AQI
70AQI
No. of days
202587AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
August57AQI
202472AQI
Highest AQI recorded in
December127AQI
Lowest AQI recorded in
January25AQI
202316AQI
Highest AQI recorded in
December17AQI
Lowest AQI recorded in
November14AQI
2021153AQI
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
January153AQI
202090AQI
Highest AQI recorded in
November132AQI
Lowest AQI recorded in
July64AQI
Most & Least Polluted Years Over the Last 5 Years
Silu Hospital's annual 2025 AQI (87) shows an average percentage change of 103.01% (worsened AQI) compared to previous years: 2020 (90), 2021 (153), 2023 (16), 2024 (72).