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!
March Air Quality Analysis
Baian Dam, Sanzhou, Chongqing, China
AQI Trends: Highest and Lowest
Same Day Analysis (8th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 30 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Mar - 8th Mar 2026
Baian Dam, Sanzhou, Chongqing, China
7 AM7th Mar 2026
6 PM
6 AM8th Mar 2026
102AQI
68AQI
94AQI
24AQI
In the last 24 hours,
Baian Dam's AQI reached its highest point of 102 at 6 PM during the Day, while the lowest point, 24, was recorded at 6 AM during the Night between 7th Mar and 8th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Baian Dam, Sanzhou, Chongqing, China
8°C5/11°C
9°C5/14°C
8°C5/12°C
8°C2/14°C
9°C4/16°C
11°C6/18°C
12°C7/18°C
12°C6/20°C
13°C11/14°C
9°C7/9°C
9°C6/14°C
10°C4/17°C
13°C9/18°C
13°C7/20°C
16°C9/24°C
17°C11/25°C
17°C12/22°C
12°C8/14°C
12°C7/18°C
13°C10/14°C
14°C9/21°C
14°C11/18°C
12°C11/13°C
12°C6/19°C
15°C10/19°C
14°C10/21°C
14°C11/19°C
15°C11/21°C
11°C9/13°C
12°C10/15°C
86AQI
77AQI
94AQI
76AQI
2026 Days Vs Air Quality
Baian Dam, Sanzhou, Chongqing, China
12%
8
31%
21
37%
25
19%
13
Total number of days with different AQI categories in last 68 days in 2026 (297 days remaining)
Under WHO’s Safe Air Quality Limits: 12%
Health Risk Level:
Extreme
In 2026, 12% of 68 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 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
52AQI (US)
77AQI (US)
99AQI (US)
123AQI (US)
133AQI (US)
124AQI (US)
136AQI (US)
158AQI (US)
151AQI (US)
160AQI (US)
167AQI (US)
178AQI (US)
173AQI (US)
172AQI (US)
179AQI (US)
172AQI (US)
180AQI (US)
181AQI (US)
115AQI (US)
62AQI (US)
97AQI (US)
116AQI (US)
132AQI (US)
121AQI (US)
112AQI (US)
115AQI (US)
98AQI (US)
83AQI (US)
67AQI (US)
32AQI (US)
53AQI (US)
79AQI (US)
121AQI (US)
138AQI (US)
148AQI (US)
158AQI (US)
152AQI (US)
134AQI (US)
115AQI (US)
82AQI (US)
88AQI (US)
106AQI (US)
107AQI (US)
143AQI (US)
140AQI (US)
114AQI (US)
63AQI (US)
96AQI (US)
117AQI (US)
124AQI (US)
119AQI (US)
104AQI (US)
120AQI (US)
93AQI (US)
43AQI (US)
48AQI (US)
62AQI (US)
31AQI (US)
23AQI (US)
28AQI (US)
62AQI (US)
29AQI (US)
67AQI (US)
72AQI (US)
62AQI (US)
78AQI (US)
30AQI (US)
123AQI (US)
102AQI (US)
54AQI (US)
No. of days
2026106AQI (US)
Highest AQI (US) recorded in
January123AQI (US)
Lowest AQI (US) recorded in
March54AQI (US)
202587AQI (US)
Highest AQI (US) recorded in
January145AQI (US)
Lowest AQI (US) recorded in
September49AQI (US)
202489AQI (US)
Highest AQI (US) recorded in
December132AQI (US)
Lowest AQI (US) recorded in
July51AQI (US)
202391AQI (US)
Highest AQI (US) recorded in
January153AQI (US)
Lowest AQI (US) recorded in
July58AQI (US)
202284AQI (US)
Highest AQI (US) recorded in
December142AQI (US)
Lowest AQI (US) recorded in
August38AQI (US)
202188AQI (US)
Highest AQI (US) recorded in
January142AQI (US)
Lowest AQI (US) recorded in
August49AQI (US)
202077AQI (US)
Highest AQI (US) recorded in
December121AQI (US)
Lowest AQI (US) recorded in
July46AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Baian Dam's annual 2026 AQI (US) (106) shows an average percentage change of 23.8% (worsened AQI (US)) compared to previous years: 2020 (77), 2021 (88), 2022 (84), 2023 (91), 2024 (89), 2025 (87).