Lingling District Environmental Protection Bureau, Yongzhou, 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
Lingling District Environmental Protection Bureau, Yongzhou, Hunan, China
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 75 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Lingling District Environmental Protection Bureau, Yongzhou, Hunan, China
6 AM29th Sep 2025
6 PM
5 AM30th Sep 2025
AQI
AQI
159AQI
62AQI
In the last 24 hours,
Lingling District Environmental Protection Bureau's AQI reached its highest point of 159 at 3 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Lingling District Environmental Protection Bureau, Yongzhou, Hunan, China
29°C24/35°C
29°C24/35°C
29°C25/36°C
30°C26/36°C
30°C25/35°C
31°C26/37°C
29°C25/36°C
27°C24/32°C
27°C24/32°C
26°C24/30°C
27°C22/32°C
28°C23/34°C
28°C24/34°C
28°C24/33°C
29°C24/34°C
29°C24/36°C
29°C24/36°C
30°C24/36°C
24°C22/26°C
24°C21/28°C
19°C18/19°C
19°C17/20°C
21°C19/24°C
21°C19/24°C
18°C17/18°C
20°C18/20°C
22°C19/25°C
24°C21/28°C
27°C22/34°C
--°C/°C
--°C/°C
60AQI
56AQI
66AQI
59AQI
2025 Days Vs Air Quality
Lingling District Environmental Protection Bureau, Yongzhou, Hunan, China
11%
30
62%
169
21%
56
6%
15
0.3%
1
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 272 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
Lingling District Environmental Protection Bureau, Yongzhou, Hunan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
164AQI
160AQI
167AQI
175AQI
182AQI
161AQI
167AQI
159AQI
127AQI
123AQI
124AQI
120AQI
119AQI
127AQI
133AQI
124AQI
129AQI
140AQI
139AQI
156AQI
153AQI
166AQI
171AQI
235AQI
99AQI
106AQI
92AQI
125AQI
188AQI
147AQI
143AQI
93AQI
88AQI
110AQI
112AQI
120AQI
122AQI
105AQI
77AQI
86AQI
105AQI
124AQI
123AQI
148AQI
154AQI
154AQI
108AQI
115AQI
100AQI
82AQI
64AQI
130AQI
58AQI
112AQI
129AQI
145AQI
142AQI
105AQI
105AQI
79AQI
83AQI
61AQI
63AQI
58AQI
87AQI
100AQI
106AQI
113AQI
94AQI
94AQI
101AQI
111AQI
80AQI
70AQI
78AQI
71AQI
82AQI
81AQI
88AQI
95AQI
111AQI
131AQI
133AQI
130AQI
105AQI
108AQI
93AQI
90AQI
85AQI
89AQI
89AQI
92AQI
96AQI
105AQI
109AQI
107AQI
107AQI
107AQI
105AQI
98AQI
97AQI
105AQI
123AQI
116AQI
110AQI
110AQI
105AQI
104AQI
94AQI
94AQI
91AQI
89AQI
91AQI
87AQI
88AQI
87AQI
82AQI
87AQI
89AQI
92AQI
90AQI
91AQI
93AQI
94AQI
88AQI
90AQI
94AQI
87AQI
84AQI
86AQI
87AQI
87AQI
90AQI
91AQI
99AQI
87AQI
89AQI
89AQI
87AQI
81AQI
81AQI
80AQI
85AQI
90AQI
94AQI
92AQI
92AQI
85AQI
80AQI
83AQI
79AQI
78AQI
76AQI
80AQI
85AQI
87AQI
88AQI
82AQI
81AQI
86AQI
84AQI
84AQI
83AQI
83AQI
79AQI
73AQI
74AQI
66AQI
42AQI
42AQI
45AQI
47AQI
44AQI
51AQI
46AQI
53AQI
53AQI
48AQI
45AQI
49AQI
46AQI
41AQI
36AQI
44AQI
49AQI
56AQI
65AQI
67AQI
64AQI
69AQI
57AQI
60AQI
62AQI
62AQI
61AQI
58AQI
58AQI
59AQI
66AQI
66AQI
59AQI
49AQI
46AQI
50AQI
54AQI
58AQI
60AQI
62AQI
59AQI
60AQI
61AQI
59AQI
63AQI
62AQI
59AQI
60AQI
60AQI
49AQI
49AQI
51AQI
57AQI
60AQI
61AQI
63AQI
63AQI
60AQI
44AQI
49AQI
54AQI
51AQI
42AQI
44AQI
47AQI
48AQI
53AQI
54AQI
51AQI
51AQI
54AQI
57AQI
56AQI
55AQI
58AQI
58AQI
58AQI
59AQI
64AQI
66AQI
68AQI
70AQI
63AQI
50AQI
53AQI
50AQI
51AQI
56AQI
58AQI
59AQI
56AQI
51AQI
75AQI
78AQI
63AQI
62AQI
57AQI
63AQI
44AQI
47AQI
47AQI
71AQI
75AQI
146AQI
111AQI
93AQI
99AQI
88AQI
66AQI
57AQI
54AQI
60AQI
No. of days
202586AQI
Highest AQI recorded in
January146AQI
Lowest AQI recorded in
August54AQI
202491AQI
Highest AQI recorded in
December138AQI
Lowest AQI recorded in
July46AQI
202396AQI
Highest AQI recorded in
January144AQI
Lowest AQI recorded in
July61AQI
202298AQI
Highest AQI recorded in
December138AQI
Lowest AQI recorded in
July48AQI
202190AQI
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
July58AQI
202087AQI
Highest AQI recorded in
December141AQI
Lowest AQI recorded in
July46AQI
Most & Least Polluted Years Over the Last 6 Years
Lingling District Environmental Protection Bureau's annual 2025 AQI (86) shows an average percentage change of -6.9% (improved AQI) compared to previous years: 2020 (87), 2021 (90), 2022 (98), 2023 (96), 2024 (91).