Changde, Hunan, 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
Changde, Hunan, China
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 20 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Changde, Hunan, China
6 AM28th Sep 2026
6 PM
5 AM29th Sep 2026
81AQI
16AQI
27AQI
13AQI
In the last 24 hours,
Changde's AQI reached its highest point of 81 at 6 AM during the Day, while the lowest point, 13, was recorded at 4 AM during the Night between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Changde, Hunan, China
26°C23/29°C
23°C21/25°C
23°C22/26°C
20°C19/22°C
21°C21/22°C
21°C20/22°C
23°C19/29°C
25°C21/30°C
26°C22/31°C
21°C18/25°C
19°C17/21°C
21°C18/25°C
22°C18/27°C
24°C19/29°C
25°C21/30°C
24°C20/28°C
22°C20/25°C
18°C16/21°C
21°C17/25°C
23°C21/28°C
25°C21/30°C
23°C21/25°C
21°C19/23°C
24°C19/29°C
27°C24/31°C
28°C23/34°C
24°C21/28°C
26°C21/32°C
24°C21/28°C
22°C20/27°C
94AQI
64AQI
100AQI
67AQI
2026 Days Vs Air Quality
Changde, Hunan, China
29%
78
42%
115
24%
64
6%
15
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 29%
Health Risk Level:
Very high
In 2026, 29% of 272 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
Changde, Hunan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
94AQI (US)
147AQI (US)
156AQI (US)
129AQI (US)
132AQI (US)
135AQI (US)
125AQI (US)
131AQI (US)
121AQI (US)
142AQI (US)
151AQI (US)
158AQI (US)
134AQI (US)
152AQI (US)
164AQI (US)
174AQI (US)
182AQI (US)
198AQI (US)
94AQI (US)
110AQI (US)
105AQI (US)
120AQI (US)
144AQI (US)
155AQI (US)
144AQI (US)
144AQI (US)
161AQI (US)
161AQI (US)
136AQI (US)
124AQI (US)
126AQI (US)
116AQI (US)
123AQI (US)
125AQI (US)
134AQI (US)
162AQI (US)
174AQI (US)
156AQI (US)
148AQI (US)
140AQI (US)
122AQI (US)
99AQI (US)
147AQI (US)
144AQI (US)
136AQI (US)
143AQI (US)
62AQI (US)
112AQI (US)
139AQI (US)
129AQI (US)
88AQI (US)
84AQI (US)
129AQI (US)
112AQI (US)
92AQI (US)
86AQI (US)
65AQI (US)
67AQI (US)
94AQI (US)
28AQI (US)
42AQI (US)
70AQI (US)
77AQI (US)
110AQI (US)
139AQI (US)
151AQI (US)
140AQI (US)
137AQI (US)
98AQI (US)
67AQI (US)
135AQI (US)
127AQI (US)
127AQI (US)
93AQI (US)
33AQI (US)
50AQI (US)
52AQI (US)
94AQI (US)
134AQI (US)
110AQI (US)
93AQI (US)
65AQI (US)
104AQI (US)
114AQI (US)
70AQI (US)
59AQI (US)
70AQI (US)
59AQI (US)
32AQI (US)
78AQI (US)
42AQI (US)
58AQI (US)
40AQI (US)
57AQI (US)
98AQI (US)
92AQI (US)
115AQI (US)
138AQI (US)
113AQI (US)
78AQI (US)
86AQI (US)
65AQI (US)
85AQI (US)
61AQI (US)
58AQI (US)
70AQI (US)
72AQI (US)
65AQI (US)
98AQI (US)
100AQI (US)
38AQI (US)
28AQI (US)
55AQI (US)
80AQI (US)
75AQI (US)
93AQI (US)
57AQI (US)
29AQI (US)
40AQI (US)
57AQI (US)
64AQI (US)
75AQI (US)
39AQI (US)
56AQI (US)
62AQI (US)
76AQI (US)
70AQI (US)
58AQI (US)
37AQI (US)
56AQI (US)
76AQI (US)
115AQI (US)
27AQI (US)
66AQI (US)
98AQI (US)
73AQI (US)
62AQI (US)
56AQI (US)
52AQI (US)
63AQI (US)
72AQI (US)
81AQI (US)
73AQI (US)
72AQI (US)
66AQI (US)
50AQI (US)
48AQI (US)
55AQI (US)
51AQI (US)
52AQI (US)
48AQI (US)
80AQI (US)
86AQI (US)
56AQI (US)
54AQI (US)
106AQI (US)
101AQI (US)
82AQI (US)
12AQI (US)
24AQI (US)
42AQI (US)
62AQI (US)
52AQI (US)
32AQI (US)
37AQI (US)
63AQI (US)
85AQI (US)
91AQI (US)
112AQI (US)
40AQI (US)
14AQI (US)
18AQI (US)
20AQI (US)
23AQI (US)
48AQI (US)
60AQI (US)
51AQI (US)
82AQI (US)
91AQI (US)
93AQI (US)
31AQI (US)
20AQI (US)
23AQI (US)
39AQI (US)
16AQI (US)
17AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
28AQI (US)
48AQI (US)
60AQI (US)
65AQI (US)
42AQI (US)
42AQI (US)
18AQI (US)
26AQI (US)
39AQI (US)
46AQI (US)
48AQI (US)
76AQI (US)
28AQI (US)
36AQI (US)
47AQI (US)
43AQI (US)
50AQI (US)
20AQI (US)
23AQI (US)
40AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
36AQI (US)
36AQI (US)
40AQI (US)
49AQI (US)
74AQI (US)
74AQI (US)
40AQI (US)
39AQI (US)
15AQI (US)
24AQI (US)
37AQI (US)
52AQI (US)
68AQI (US)
92AQI (US)
83AQI (US)
68AQI (US)
108AQI (US)
78AQI (US)
65AQI (US)
62AQI (US)
37AQI (US)
34AQI (US)
46AQI (US)
52AQI (US)
63AQI (US)
63AQI (US)
53AQI (US)
48AQI (US)
48AQI (US)
34AQI (US)
68AQI (US)
67AQI (US)
99AQI (US)
101AQI (US)
112AQI (US)
125AQI (US)
118AQI (US)
53AQI (US)
57AQI (US)
96AQI (US)
109AQI (US)
109AQI (US)
137AQI (US)
127AQI (US)
50AQI (US)
51AQI (US)
84AQI (US)
122AQI (US)
108AQI (US)
64AQI (US)
96AQI (US)
98AQI (US)
106AQI (US)
100AQI (US)
82AQI (US)
50AQI (US)
20AQI (US)
140AQI (US)
119AQI (US)
89AQI (US)
71AQI (US)
63AQI (US)
58AQI (US)
35AQI (US)
52AQI (US)
86AQI (US)
No. of days
202679AQI (US)
Highest AQI (US) recorded in
January140AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202599AQI (US)
Highest AQI (US) recorded in
January165AQI (US)
Lowest AQI (US) recorded in
August56AQI (US)
2024100AQI (US)
Highest AQI (US) recorded in
December146AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
202399AQI (US)
Highest AQI (US) recorded in
January185AQI (US)
Lowest AQI (US) recorded in
July55AQI (US)
2022105AQI (US)
Highest AQI (US) recorded in
January166AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
2021104AQI (US)
Highest AQI (US) recorded in
December149AQI (US)
Lowest AQI (US) recorded in
July71AQI (US)
202093AQI (US)
Highest AQI (US) recorded in
December166AQI (US)
Lowest AQI (US) recorded in
June58AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Changde's annual 2026 AQI (US) (79) shows an average percentage change of -20.8% (improved AQI (US)) compared to previous years: 2020 (93), 2021 (104), 2022 (105), 2023 (99), 2024 (100), 2025 (99).