Changsha, Guangdong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Changsha, Guangdong, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Changsha, Guangdong, China
5 AM5th Aug 2025
7 PM
4 AM6th Aug 2025
AQI
AQI
68AQI
50AQI
In the last 24 hours,
Changsha's AQI reached its highest point of 68 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Changsha, Guangdong, China
30°C26/35°C
30°C26/34°C
30°C26/34°C
29°C26/33°C
27°C25/28°C
28°C25/31°C
29°C26/33°C
29°C26/33°C
29°C26/34°C
30°C26/35°C
31°C27/36°C
31°C26/35°C
30°C26/36°C
27°C26/28°C
27°C26/29°C
28°C25/30°C
27°C25/30°C
28°C25/33°C
29°C25/35°C
30°C26/35°C
30°C26/35°C
30°C26/35°C
29°C27/33°C
30°C26/35°C
30°C26/35°C
29°C26/34°C
28°C26/33°C
28°C26/32°C
27°C25/30°C
--°C/°C
--°C/°C
58AQI
58AQI
59AQI
59AQI
2025 Days Vs Air Quality
Changsha, Guangdong, China
18%
38
66%
142
16%
34
0.9%
2
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% of 217 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
Changsha, Guangdong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
142AQI
139AQI
121AQI
127AQI
141AQI
147AQI
148AQI
156AQI
148AQI
101AQI
97AQI
88AQI
102AQI
125AQI
94AQI
114AQI
89AQI
114AQI
104AQI
110AQI
114AQI
119AQI
107AQI
86AQI
74AQI
52AQI
65AQI
80AQI
101AQI
94AQI
72AQI
68AQI
66AQI
37AQI
67AQI
76AQI
87AQI
54AQI
70AQI
61AQI
81AQI
99AQI
89AQI
93AQI
100AQI
88AQI
113AQI
101AQI
110AQI
94AQI
87AQI
81AQI
89AQI
59AQI
80AQI
113AQI
112AQI
116AQI
81AQI
77AQI
63AQI
64AQI
62AQI
47AQI
36AQI
54AQI
66AQI
92AQI
86AQI
72AQI
72AQI
65AQI
61AQI
52AQI
46AQI
79AQI
69AQI
78AQI
86AQI
109AQI
97AQI
107AQI
103AQI
103AQI
82AQI
72AQI
75AQI
51AQI
44AQI
39AQI
66AQI
74AQI
89AQI
80AQI
96AQI
113AQI
105AQI
97AQI
82AQI
78AQI
67AQI
73AQI
175AQI
134AQI
129AQI
121AQI
100AQI
87AQI
74AQI
67AQI
62AQI
65AQI
62AQI
53AQI
50AQI
71AQI
59AQI
67AQI
67AQI
76AQI
68AQI
78AQI
67AQI
64AQI
58AQI
59AQI
53AQI
53AQI
44AQI
62AQI
58AQI
69AQI
70AQI
65AQI
59AQI
44AQI
51AQI
50AQI
53AQI
49AQI
56AQI
53AQI
52AQI
51AQI
71AQI
80AQI
91AQI
78AQI
69AQI
60AQI
63AQI
62AQI
59AQI
55AQI
65AQI
58AQI
60AQI
56AQI
49AQI
53AQI
53AQI
49AQI
43AQI
34AQI
34AQI
39AQI
40AQI
40AQI
39AQI
37AQI
36AQI
34AQI
33AQI
33AQI
37AQI
38AQI
32AQI
31AQI
31AQI
33AQI
32AQI
33AQI
37AQI
38AQI
51AQI
55AQI
57AQI
62AQI
55AQI
59AQI
58AQI
54AQI
56AQI
53AQI
56AQI
57AQI
56AQI
60AQI
64AQI
62AQI
50AQI
52AQI
44AQI
46AQI
53AQI
54AQI
54AQI
59AQI
62AQI
60AQI
62AQI
59AQI
57AQI
54AQI
57AQI
59AQI
109AQI
85AQI
71AQI
85AQI
61AQI
43AQI
54AQI
57AQI
No. of days
202572AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
June43AQI
202471AQI
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
July41AQI
202372AQI
Highest AQI recorded in
November95AQI
Lowest AQI recorded in
July51AQI
202273AQI
Highest AQI recorded in
October80AQI
Lowest AQI recorded in
November65AQI
Most & Least Polluted Years Over the Last 4 Years
Changsha's annual 2025 AQI (72) shows an average percentage change of 0.7% (worsened AQI) compared to previous years: 2022 (73), 2023 (72), 2024 (71).