Bda, Rongjiawan, Hunan, 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
Bda, Rongjiawan, Hunan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 60 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Bda, Rongjiawan, Hunan, China
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
80AQI
59AQI
In the last 24 hours,
Bda's AQI reached its highest point of 80 at 9 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Bda, Rongjiawan, Hunan, China
32°C27/37°C
33°C28/38°C
32°C28/37°C
32°C27/38°C
32°C28/38°C
30°C26/34°C
30°C26/34°C
30°C25/34°C
29°C25/33°C
29°C25/34°C
31°C26/36°C
33°C28/38°C
33°C29/39°C
30°C28/35°C
31°C27/37°C
30°C26/35°C
30°C27/34°C
31°C26/36°C
29°C26/33°C
28°C25/30°C
30°C25/35°C
31°C26/37°C
31°C27/36°C
30°C26/34°C
30°C26/34°C
30°C25/35°C
30°C26/34°C
29°C25/34°C
31°C26/36°C
--°C/°C
--°C/°C
59AQI
59AQI
59AQI
59AQI
2025 Days Vs Air Quality
Bda, Rongjiawan, Hunan, China
6%
12
54%
115
29%
63
10%
22
0.9%
2
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 214 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
Bda, Rongjiawan, Hunan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
164AQI
183AQI
194AQI
223AQI
159AQI
171AQI
149AQI
155AQI
133AQI
123AQI
138AQI
132AQI
149AQI
162AQI
118AQI
136AQI
130AQI
158AQI
156AQI
170AQI
159AQI
174AQI
226AQI
169AQI
108AQI
108AQI
104AQI
136AQI
181AQI
136AQI
172AQI
137AQI
136AQI
153AQI
135AQI
137AQI
114AQI
117AQI
82AQI
97AQI
119AQI
122AQI
150AQI
155AQI
162AQI
158AQI
138AQI
113AQI
99AQI
113AQI
136AQI
149AQI
94AQI
160AQI
143AQI
153AQI
144AQI
112AQI
119AQI
102AQI
82AQI
56AQI
97AQI
93AQI
125AQI
129AQI
118AQI
130AQI
120AQI
100AQI
136AQI
109AQI
97AQI
86AQI
97AQI
82AQI
89AQI
86AQI
90AQI
87AQI
97AQI
121AQI
102AQI
113AQI
123AQI
128AQI
88AQI
97AQI
84AQI
100AQI
96AQI
93AQI
98AQI
112AQI
118AQI
107AQI
110AQI
116AQI
104AQI
95AQI
88AQI
180AQI
126AQI
143AQI
101AQI
113AQI
108AQI
103AQI
103AQI
109AQI
81AQI
89AQI
84AQI
79AQI
91AQI
77AQI
82AQI
100AQI
94AQI
78AQI
88AQI
81AQI
89AQI
89AQI
80AQI
106AQI
104AQI
74AQI
86AQI
80AQI
78AQI
82AQI
82AQI
101AQI
87AQI
71AQI
82AQI
106AQI
86AQI
71AQI
68AQI
63AQI
80AQI
95AQI
93AQI
88AQI
97AQI
75AQI
73AQI
60AQI
60AQI
51AQI
63AQI
74AQI
88AQI
77AQI
82AQI
73AQI
65AQI
73AQI
85AQI
69AQI
67AQI
67AQI
65AQI
64AQI
62AQI
57AQI
53AQI
53AQI
52AQI
48AQI
41AQI
41AQI
45AQI
51AQI
51AQI
56AQI
47AQI
47AQI
47AQI
45AQI
43AQI
44AQI
51AQI
55AQI
61AQI
64AQI
65AQI
60AQI
59AQI
65AQI
62AQI
60AQI
61AQI
61AQI
60AQI
63AQI
63AQI
65AQI
63AQI
54AQI
48AQI
48AQI
52AQI
55AQI
56AQI
53AQI
55AQI
55AQI
56AQI
57AQI
63AQI
60AQI
154AQI
130AQI
102AQI
103AQI
83AQI
60AQI
57AQI
62AQI
No. of days
202598AQI
Highest AQI recorded in
January154AQI
Lowest AQI recorded in
July57AQI
202498AQI
Highest AQI recorded in
January147AQI
Lowest AQI recorded in
July51AQI
202399AQI
Highest AQI recorded in
January165AQI
Lowest AQI recorded in
July49AQI
202295AQI
Highest AQI recorded in
December142AQI
Lowest AQI recorded in
August52AQI
202192AQI
Highest AQI recorded in
January131AQI
Lowest AQI recorded in
July59AQI
202088AQI
Highest AQI recorded in
December144AQI
Lowest AQI recorded in
June61AQI
Most & Least Polluted Years Over the Last 6 Years
Bda's annual 2025 AQI (98) shows an average percentage change of 3.6% (worsened AQI) compared to previous years: 2020 (88), 2021 (92), 2022 (95), 2023 (99), 2024 (98).