High School, Bazhou, 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
High School, Bazhou, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
High School, Bazhou, Sichuan, China
6 AM18th Sep 2025
7 PM
5 AM19th Sep 2025
55AQI
18AQI
56AQI
41AQI
In the last 24 hours,
High School's AQI reached its highest point of 56 at 2 AM during the Night, while the lowest point, 18, was recorded at 11 AM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
High School, Bazhou, Sichuan, China
26°C21/32°C
28°C23/34°C
24°C20/31°C
26°C21/31°C
24°C21/27°C
25°C21/29°C
26°C21/33°C
27°C23/34°C
25°C21/31°C
23°C20/28°C
21°C19/23°C
23°C19/28°C
23°C16/30°C
24°C19/30°C
24°C21/27°C
25°C23/30°C
22°C18/25°C
18°C16/20°C
21°C17/26°C
22°C19/28°C
23°C19/28°C
24°C21/28°C
23°C22/27°C
24°C20/28°C
25°C20/30°C
25°C20/31°C
26°C21/32°C
24°C21/30°C
21°C20/22°C
19°C18/20°C
--°C/°C
56AQI
44AQI
57AQI
56AQI
2025 Days Vs Air Quality
High School, Bazhou, Sichuan, China
13%
33
65%
170
16%
43
5%
14
0.3%
1
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 262 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
High School, Bazhou, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
156AQI
159AQI
167AQI
153AQI
124AQI
142AQI
132AQI
131AQI
123AQI
119AQI
106AQI
122AQI
135AQI
127AQI
126AQI
133AQI
144AQI
146AQI
159AQI
159AQI
171AQI
183AQI
188AQI
131AQI
95AQI
100AQI
110AQI
125AQI
161AQI
163AQI
151AQI
118AQI
106AQI
95AQI
100AQI
83AQI
81AQI
76AQI
77AQI
89AQI
102AQI
121AQI
86AQI
97AQI
86AQI
96AQI
98AQI
99AQI
94AQI
109AQI
99AQI
97AQI
88AQI
77AQI
92AQI
85AQI
110AQI
109AQI
121AQI
127AQI
97AQI
68AQI
60AQI
58AQI
63AQI
68AQI
83AQI
89AQI
95AQI
92AQI
93AQI
78AQI
72AQI
63AQI
63AQI
69AQI
84AQI
91AQI
87AQI
93AQI
104AQI
102AQI
96AQI
94AQI
98AQI
159AQI
81AQI
90AQI
69AQI
73AQI
83AQI
87AQI
86AQI
96AQI
98AQI
94AQI
92AQI
94AQI
91AQI
87AQI
77AQI
438AQI
195AQI
150AQI
131AQI
121AQI
119AQI
111AQI
104AQI
81AQI
80AQI
103AQI
103AQI
83AQI
87AQI
76AQI
77AQI
74AQI
73AQI
66AQI
77AQI
80AQI
83AQI
81AQI
67AQI
83AQI
83AQI
75AQI
100AQI
80AQI
91AQI
88AQI
79AQI
85AQI
106AQI
109AQI
137AQI
115AQI
137AQI
116AQI
118AQI
86AQI
91AQI
93AQI
85AQI
83AQI
79AQI
71AQI
66AQI
68AQI
58AQI
52AQI
51AQI
65AQI
69AQI
67AQI
75AQI
62AQI
59AQI
61AQI
67AQI
65AQI
70AQI
73AQI
67AQI
67AQI
68AQI
68AQI
61AQI
56AQI
60AQI
55AQI
48AQI
50AQI
53AQI
50AQI
52AQI
55AQI
52AQI
53AQI
46AQI
44AQI
46AQI
50AQI
47AQI
41AQI
50AQI
43AQI
44AQI
48AQI
54AQI
51AQI
58AQI
61AQI
62AQI
63AQI
65AQI
66AQI
58AQI
57AQI
54AQI
48AQI
53AQI
47AQI
44AQI
41AQI
47AQI
51AQI
53AQI
56AQI
55AQI
58AQI
59AQI
60AQI
62AQI
65AQI
64AQI
61AQI
59AQI
57AQI
51AQI
45AQI
44AQI
52AQI
54AQI
56AQI
55AQI
46AQI
46AQI
47AQI
52AQI
51AQI
53AQI
47AQI
47AQI
44AQI
47AQI
51AQI
51AQI
47AQI
45AQI
52AQI
54AQI
56AQI
58AQI
63AQI
60AQI
58AQI
58AQI
60AQI
60AQI
57AQI
59AQI
51AQI
45AQI
45AQI
55AQI
59AQI
56AQI
48AQI
44AQI
140AQI
96AQI
86AQI
109AQI
89AQI
60AQI
52AQI
52AQI
55AQI
No. of days
202583AQI
Highest AQI recorded in
January140AQI
Lowest AQI recorded in
July52AQI
202473AQI
Highest AQI recorded in
January130AQI
Lowest AQI recorded in
July48AQI
2023103AQI
Highest AQI recorded in
December105AQI
Lowest AQI recorded in
November82AQI
2022104AQI
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
May44AQI
202182AQI
Highest AQI recorded in
January140AQI
Lowest AQI recorded in
August50AQI
202071AQI
Highest AQI recorded in
December110AQI
Lowest AQI recorded in
July46AQI
Most & Least Polluted Years Over the Last 6 Years
High School's annual 2025 AQI (83) shows an average percentage change of -0.9% (improved AQI) compared to previous years: 2020 (71), 2021 (82), 2022 (104), 2023 (103), 2024 (73).