Baian Dam, Sanzhou, Chongqing, 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
Baian Dam, Sanzhou, Chongqing, China
AQI Trends: Highest and Lowest
Same Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Baian Dam, Sanzhou, Chongqing, China
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
62AQI
40AQI
66AQI
60AQI
In the last 24 hours,
Baian Dam's AQI reached its highest point of 66 at 10 PM during the Night, while the lowest point, 40, was recorded at 6 PM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Baian Dam, Sanzhou, Chongqing, China
25°C20/29°C
24°C19/30°C
26°C20/33°C
26°C19/34°C
26°C19/34°C
27°C20/34°C
27°C20/35°C
28°C21/36°C
32°C27/37°C
30°C24/37°C
28°C23/35°C
29°C23/35°C
29°C24/36°C
28°C24/32°C
29°C22/35°C
28°C24/32°C
28°C25/33°C
29°C24/35°C
28°C21/36°C
28°C20/35°C
28°C20/35°C
28°C21/36°C
29°C22/36°C
29°C22/36°C
29°C21/36°C
30°C23/36°C
30°C24/37°C
31°C24/38°C
30°C23/37°C
27°C23/31°C
--°C/°C
56AQI
47AQI
59AQI
57AQI
2025 Days Vs Air Quality
Baian Dam, Sanzhou, Chongqing, China
9%
19
57%
125
27%
59
7%
15
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 219 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
Baian Dam, Sanzhou, Chongqing, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
171AQI
172AQI
176AQI
173AQI
127AQI
149AQI
131AQI
135AQI
118AQI
127AQI
134AQI
140AQI
148AQI
152AQI
127AQI
139AQI
134AQI
149AQI
157AQI
168AQI
174AQI
193AQI
185AQI
164AQI
100AQI
99AQI
105AQI
114AQI
142AQI
139AQI
157AQI
106AQI
99AQI
92AQI
99AQI
91AQI
90AQI
86AQI
85AQI
89AQI
99AQI
130AQI
99AQI
107AQI
98AQI
102AQI
105AQI
95AQI
93AQI
98AQI
108AQI
102AQI
99AQI
86AQI
107AQI
102AQI
120AQI
106AQI
133AQI
112AQI
149AQI
80AQI
81AQI
65AQI
70AQI
73AQI
85AQI
99AQI
95AQI
104AQI
109AQI
99AQI
96AQI
74AQI
73AQI
70AQI
79AQI
94AQI
91AQI
114AQI
132AQI
129AQI
126AQI
104AQI
103AQI
125AQI
90AQI
91AQI
79AQI
86AQI
88AQI
109AQI
105AQI
106AQI
108AQI
125AQI
110AQI
101AQI
103AQI
86AQI
82AQI
187AQI
195AQI
157AQI
143AQI
132AQI
128AQI
114AQI
101AQI
84AQI
82AQI
95AQI
90AQI
87AQI
91AQI
89AQI
87AQI
92AQI
86AQI
80AQI
86AQI
100AQI
95AQI
83AQI
82AQI
93AQI
90AQI
79AQI
88AQI
93AQI
92AQI
96AQI
96AQI
104AQI
108AQI
100AQI
128AQI
98AQI
119AQI
107AQI
101AQI
75AQI
90AQI
95AQI
91AQI
86AQI
83AQI
75AQI
73AQI
74AQI
62AQI
57AQI
58AQI
65AQI
84AQI
71AQI
77AQI
73AQI
62AQI
66AQI
72AQI
69AQI
71AQI
75AQI
70AQI
76AQI
73AQI
68AQI
61AQI
54AQI
59AQI
51AQI
43AQI
44AQI
49AQI
54AQI
49AQI
47AQI
49AQI
48AQI
52AQI
48AQI
38AQI
42AQI
44AQI
41AQI
57AQI
50AQI
54AQI
54AQI
53AQI
53AQI
58AQI
61AQI
62AQI
61AQI
61AQI
63AQI
59AQI
55AQI
55AQI
57AQI
49AQI
51AQI
42AQI
41AQI
45AQI
51AQI
47AQI
54AQI
50AQI
53AQI
59AQI
56AQI
57AQI
60AQI
60AQI
56AQI
145AQI
101AQI
96AQI
108AQI
92AQI
62AQI
52AQI
58AQI
No. of days
202593AQI
Highest AQI recorded in
January145AQI
Lowest AQI recorded in
July52AQI
202489AQI
Highest AQI recorded in
December132AQI
Lowest AQI recorded in
July51AQI
202391AQI
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
July58AQI
202284AQI
Highest AQI recorded in
December142AQI
Lowest AQI recorded in
August38AQI
202188AQI
Highest AQI recorded in
January142AQI
Lowest AQI recorded in
August49AQI
202077AQI
Highest AQI recorded in
December121AQI
Lowest AQI recorded in
July46AQI
Most & Least Polluted Years Over the Last 6 Years
Baian Dam's annual 2025 AQI (93) shows an average percentage change of 8.3% (worsened AQI) compared to previous years: 2020 (77), 2021 (88), 2022 (84), 2023 (91), 2024 (89).