Hkust, Xiangtan, Hunan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Hkust, Xiangtan, Hunan, China
AQI Trends: Highest and Lowest
Same Day Analysis (28th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 123 of Poor air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Nov - 29th Nov 2025
Hkust, Xiangtan, Hunan, China
6 AM28th Nov 2025
5 PM
5 AM29th Nov 2025
AQI
AQI
133AQI
81AQI
In the last 24 hours,
Hkust's AQI reached its highest point of 133 at 7 AM during the Night, while the lowest point, 81, was recorded at 4 PM during the Night between 28th Nov and 29th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Hkust, Xiangtan, Hunan, China
17°C15/17°C
18°C15/22°C
17°C14/18°C
17°C15/20°C
15°C14/15°C
16°C13/21°C
17°C13/22°C
19°C16/22°C
19°C16/22°C
14°C14/15°C
14°C12/14°C
12°C12/13°C
13°C12/16°C
15°C13/18°C
15°C12/18°C
16°C14/18°C
18°C13/23°C
19°C15/24°C
10°C5/13°C
7°C4/11°C
9°C4/14°C
10°C6/16°C
13°C8/18°C
14°C9/20°C
15°C11/21°C
16°C13/22°C
13°C8/18°C
13°C8/20°C
14°C9/20°C
--°C/°C
--°C/°C
112AQI
83AQI
110AQI
91AQI
2025 Days Vs Air Quality
Hkust, Xiangtan, Hunan, China
11%
35
49%
164
32%
106
7%
23
0.9%
3
0.3%
1
Total number of days with different AQI categories in last 332 days in 2025 (33 days remaining)
Under WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 332 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
Hkust, Xiangtan, Hunan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
174AQI
177AQI
191AQI
216AQI
154AQI
161AQI
161AQI
151AQI
126AQI
121AQI
128AQI
132AQI
132AQI
136AQI
129AQI
119AQI
127AQI
143AQI
156AQI
164AQI
163AQI
162AQI
242AQI
183AQI
105AQI
97AQI
109AQI
116AQI
170AQI
136AQI
126AQI
117AQI
122AQI
133AQI
119AQI
139AQI
118AQI
122AQI
74AQI
87AQI
98AQI
124AQI
138AQI
155AQI
154AQI
159AQI
147AQI
125AQI
109AQI
108AQI
113AQI
152AQI
82AQI
147AQI
129AQI
159AQI
151AQI
135AQI
125AQI
92AQI
90AQI
54AQI
89AQI
87AQI
118AQI
90AQI
110AQI
118AQI
107AQI
102AQI
133AQI
127AQI
80AQI
93AQI
82AQI
82AQI
81AQI
82AQI
88AQI
102AQI
106AQI
134AQI
110AQI
137AQI
136AQI
144AQI
93AQI
105AQI
68AQI
99AQI
97AQI
106AQI
101AQI
130AQI
139AQI
137AQI
140AQI
139AQI
139AQI
132AQI
116AQI
461AQI
148AQI
164AQI
119AQI
125AQI
121AQI
118AQI
80AQI
110AQI
69AQI
91AQI
88AQI
70AQI
71AQI
72AQI
73AQI
92AQI
106AQI
88AQI
99AQI
90AQI
105AQI
101AQI
87AQI
100AQI
104AQI
77AQI
79AQI
85AQI
80AQI
89AQI
84AQI
95AQI
98AQI
78AQI
79AQI
90AQI
74AQI
58AQI
59AQI
58AQI
74AQI
94AQI
98AQI
98AQI
113AQI
72AQI
65AQI
59AQI
53AQI
44AQI
64AQI
72AQI
90AQI
81AQI
79AQI
66AQI
72AQI
67AQI
76AQI
61AQI
56AQI
66AQI
53AQI
60AQI
56AQI
46AQI
44AQI
41AQI
43AQI
49AQI
53AQI
44AQI
46AQI
54AQI
61AQI
50AQI
46AQI
47AQI
45AQI
41AQI
34AQI
46AQI
51AQI
62AQI
64AQI
69AQI
74AQI
70AQI
56AQI
62AQI
61AQI
61AQI
61AQI
59AQI
57AQI
59AQI
62AQI
62AQI
52AQI
44AQI
42AQI
41AQI
48AQI
45AQI
57AQI
52AQI
55AQI
54AQI
50AQI
57AQI
63AQI
69AQI
63AQI
61AQI
61AQI
50AQI
49AQI
45AQI
52AQI
54AQI
62AQI
64AQI
63AQI
57AQI
44AQI
54AQI
56AQI
54AQI
46AQI
48AQI
50AQI
50AQI
56AQI
54AQI
54AQI
58AQI
61AQI
60AQI
60AQI
61AQI
61AQI
61AQI
61AQI
62AQI
64AQI
68AQI
70AQI
71AQI
65AQI
58AQI
57AQI
57AQI
55AQI
59AQI
62AQI
63AQI
62AQI
61AQI
60AQI
54AQI
59AQI
64AQI
59AQI
67AQI
50AQI
51AQI
45AQI
67AQI
73AQI
103AQI
67AQI
102AQI
107AQI
91AQI
104AQI
123AQI
102AQI
144AQI
154AQI
127AQI
117AQI
170AQI
211AQI
122AQI
118AQI
143AQI
119AQI
86AQI
46AQI
44AQI
49AQI
60AQI
74AQI
77AQI
84AQI
134AQI
142AQI
144AQI
140AQI
140AQI
157AQI
127AQI
130AQI
110AQI
86AQI
102AQI
115AQI
97AQI
117AQI
39AQI
53AQI
53AQI
107AQI
103AQI
86AQI
103AQI
130AQI
136AQI
119AQI
60AQI
67AQI
82AQI
104AQI
115AQI
139AQI
123AQI
81AQI
104AQI
103AQI
123AQI
149AQI
126AQI
101AQI
121AQI
84AQI
58AQI
55AQI
56AQI
63AQI
115AQI
100AQI
No. of days
202593AQI
Highest AQI recorded in
January149AQI
Lowest AQI recorded in
July55AQI
2024105AQI
Highest AQI recorded in
December147AQI
Lowest AQI recorded in
July45AQI
2023100AQI
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
July62AQI
2022105AQI
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
July49AQI
2021106AQI
Highest AQI recorded in
January155AQI
Lowest AQI recorded in
July65AQI
202097AQI
Highest AQI recorded in
December163AQI
Lowest AQI recorded in
June58AQI
Most & Least Polluted Years Over the Last 6 Years
Hkust's annual 2025 AQI (93) shows an average percentage change of -9.02% (improved AQI) compared to previous years: 2020 (97), 2021 (106), 2022 (105), 2023 (100), 2024 (105).