Qingbaijiang Library, Luocheng, Sichuan, 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
Qingbaijiang Library, Luocheng, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Qingbaijiang Library, Luocheng, Sichuan, China
6 AM22nd Sep 2025
7 PM
5 AM23rd Sep 2025
AQI
AQI
52AQI
19AQI
In the last 24 hours,
Qingbaijiang Library's AQI reached its highest point of 52 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Qingbaijiang Library, Luocheng, Sichuan, China
24°C23/26°C
24°C22/27°C
25°C22/29°C
25°C22/30°C
22°C21/23°C
20°C20/20°C
20°C19/20°C
22°C19/27°C
24°C19/28°C
23°C22/24°C
24°C22/28°C
26°C23/29°C
22°C19/25°C
21°C19/22°C
24°C20/28°C
24°C21/28°C
25°C21/30°C
25°C23/27°C
23°C22/23°C
24°C22/27°C
26°C22/30°C
27°C24/31°C
27°C24/31°C
24°C22/26°C
22°C20/23°C
20°C18/24°C
22°C19/26°C
22°C19/25°C
19°C18/20°C
--°C/°C
--°C/°C
56AQI
44AQI
57AQI
57AQI
2025 Days Vs Air Quality
Qingbaijiang Library, Luocheng, Sichuan, China
8%
22
71%
189
17%
45
3%
9
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 265 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
Qingbaijiang Library, Luocheng, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
132AQI
110AQI
142AQI
168AQI
159AQI
161AQI
131AQI
122AQI
125AQI
119AQI
101AQI
134AQI
135AQI
132AQI
143AQI
127AQI
152AQI
120AQI
150AQI
146AQI
166AQI
179AQI
193AQI
137AQI
119AQI
107AQI
123AQI
125AQI
184AQI
153AQI
128AQI
108AQI
107AQI
89AQI
105AQI
83AQI
76AQI
75AQI
75AQI
92AQI
103AQI
128AQI
88AQI
100AQI
88AQI
98AQI
115AQI
101AQI
118AQI
105AQI
110AQI
92AQI
87AQI
84AQI
66AQI
71AQI
89AQI
116AQI
123AQI
137AQI
121AQI
108AQI
84AQI
78AQI
73AQI
75AQI
82AQI
89AQI
119AQI
113AQI
118AQI
93AQI
92AQI
74AQI
72AQI
81AQI
82AQI
99AQI
109AQI
104AQI
130AQI
109AQI
104AQI
93AQI
62AQI
81AQI
61AQI
65AQI
58AQI
60AQI
62AQI
60AQI
63AQI
62AQI
56AQI
59AQI
62AQI
62AQI
61AQI
62AQI
58AQI
66AQI
70AQI
73AQI
70AQI
68AQI
63AQI
65AQI
60AQI
59AQI
60AQI
63AQI
65AQI
58AQI
59AQI
55AQI
55AQI
56AQI
51AQI
54AQI
56AQI
61AQI
61AQI
62AQI
56AQI
60AQI
59AQI
61AQI
72AQI
64AQI
63AQI
66AQI
66AQI
68AQI
63AQI
67AQI
77AQI
75AQI
74AQI
70AQI
69AQI
67AQI
65AQI
61AQI
62AQI
62AQI
57AQI
54AQI
58AQI
57AQI
54AQI
55AQI
54AQI
58AQI
57AQI
59AQI
61AQI
60AQI
57AQI
58AQI
56AQI
58AQI
59AQI
59AQI
60AQI
55AQI
57AQI
62AQI
63AQI
66AQI
69AQI
61AQI
57AQI
56AQI
52AQI
54AQI
59AQI
64AQI
64AQI
55AQI
51AQI
50AQI
57AQI
54AQI
58AQI
47AQI
52AQI
51AQI
53AQI
54AQI
57AQI
50AQI
59AQI
62AQI
66AQI
74AQI
77AQI
75AQI
69AQI
59AQI
57AQI
53AQI
56AQI
47AQI
45AQI
47AQI
47AQI
53AQI
57AQI
61AQI
61AQI
61AQI
62AQI
63AQI
66AQI
68AQI
72AQI
67AQI
56AQI
63AQI
56AQI
46AQI
49AQI
54AQI
57AQI
60AQI
61AQI
57AQI
56AQI
51AQI
55AQI
58AQI
55AQI
49AQI
48AQI
48AQI
49AQI
53AQI
57AQI
48AQI
47AQI
45AQI
51AQI
57AQI
60AQI
60AQI
66AQI
63AQI
62AQI
68AQI
65AQI
63AQI
67AQI
55AQI
46AQI
55AQI
55AQI
64AQI
50AQI
53AQI
42AQI
42AQI
54AQI
43AQI
46AQI
139AQI
96AQI
91AQI
61AQI
63AQI
59AQI
57AQI
56AQI
56AQI
No. of days
202576AQI
Highest AQI recorded in
January139AQI
Lowest AQI recorded in
August56AQI
202472AQI
Highest AQI recorded in
December128AQI
Lowest AQI recorded in
July47AQI
202344AQI
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
November42AQI
202094AQI
Highest AQI recorded in
May113AQI
Lowest AQI recorded in
September64AQI
Most & Least Polluted Years Over the Last 4 Years
Qingbaijiang Library's annual 2025 AQI (76) shows an average percentage change of 19.03% (worsened AQI) compared to previous years: 2020 (94), 2023 (44), 2024 (72).