Bda, Nangandao, Henan, 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, Nangandao, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Bda, Nangandao, Henan, China
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
71AQI
60AQI
66AQI
60AQI
In the last 24 hours,
Bda's AQI reached its highest point of 71 at 8 AM during the Day, while the lowest point, 60, was recorded at 2 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Bda, Nangandao, Henan, China
34°C27/41°C
34°C28/40°C
34°C29/40°C
32°C27/39°C
30°C25/37°C
31°C26/36°C
32°C27/38°C
32°C27/37°C
33°C28/39°C
35°C28/41°C
34°C30/41°C
35°C29/42°C
34°C29/39°C
33°C26/40°C
33°C27/40°C
32°C26/39°C
32°C27/40°C
30°C25/38°C
29°C26/36°C
28°C24/34°C
30°C25/35°C
32°C27/38°C
33°C27/39°C
32°C27/38°C
33°C29/39°C
32°C27/40°C
32°C25/40°C
32°C26/39°C
32°C26/40°C
32°C27/38°C
--°C/°C
65AQI
54AQI
62AQI
62AQI
2025 Days Vs Air Quality
Bda, Nangandao, Henan, China
2%
5
49%
105
37%
79
11%
23
0.4%
1
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 215 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, Nangandao, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
156AQI
138AQI
161AQI
169AQI
133AQI
98AQI
104AQI
75AQI
85AQI
127AQI
85AQI
91AQI
124AQI
108AQI
90AQI
90AQI
132AQI
138AQI
144AQI
166AQI
193AQI
149AQI
158AQI
162AQI
169AQI
109AQI
79AQI
95AQI
194AQI
158AQI
163AQI
163AQI
181AQI
130AQI
136AQI
86AQI
98AQI
73AQI
86AQI
114AQI
137AQI
150AQI
123AQI
111AQI
133AQI
114AQI
96AQI
112AQI
119AQI
91AQI
117AQI
136AQI
142AQI
107AQI
151AQI
127AQI
148AQI
155AQI
168AQI
156AQI
98AQI
90AQI
95AQI
139AQI
136AQI
146AQI
141AQI
155AQI
150AQI
161AQI
159AQI
160AQI
110AQI
140AQI
76AQI
88AQI
76AQI
96AQI
70AQI
75AQI
76AQI
104AQI
420AQI
218AQI
156AQI
120AQI
127AQI
84AQI
97AQI
102AQI
96AQI
64AQI
95AQI
122AQI
75AQI
115AQI
111AQI
116AQI
138AQI
128AQI
148AQI
150AQI
114AQI
83AQI
98AQI
119AQI
139AQI
127AQI
131AQI
116AQI
111AQI
91AQI
123AQI
74AQI
117AQI
99AQI
111AQI
92AQI
84AQI
108AQI
88AQI
114AQI
72AQI
87AQI
139AQI
120AQI
140AQI
129AQI
105AQI
89AQI
81AQI
83AQI
106AQI
98AQI
72AQI
105AQI
160AQI
99AQI
128AQI
104AQI
128AQI
107AQI
143AQI
101AQI
117AQI
97AQI
113AQI
108AQI
106AQI
94AQI
86AQI
90AQI
102AQI
71AQI
84AQI
82AQI
94AQI
109AQI
107AQI
97AQI
79AQI
87AQI
82AQI
84AQI
74AQI
68AQI
59AQI
68AQI
66AQI
63AQI
67AQI
66AQI
56AQI
61AQI
67AQI
82AQI
63AQI
66AQI
59AQI
60AQI
59AQI
49AQI
47AQI
48AQI
53AQI
48AQI
47AQI
59AQI
62AQI
59AQI
74AQI
83AQI
76AQI
69AQI
70AQI
70AQI
71AQI
58AQI
65AQI
67AQI
70AQI
61AQI
65AQI
53AQI
52AQI
57AQI
54AQI
55AQI
57AQI
58AQI
53AQI
56AQI
63AQI
62AQI
130AQI
125AQI
130AQI
110AQI
107AQI
76AQI
60AQI
63AQI
No. of days
2025105AQI
Highest AQI recorded in
January130AQI
Lowest AQI recorded in
July60AQI
2024107AQI
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
August54AQI
2023110AQI
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
July60AQI
2022117AQI
Highest AQI recorded in
January174AQI
Lowest AQI recorded in
July61AQI
2021115AQI
Highest AQI recorded in
March178AQI
Lowest AQI recorded in
July57AQI
2020109AQI
Highest AQI recorded in
December150AQI
Lowest AQI recorded in
August78AQI
Most & Least Polluted Years Over the Last 6 Years
Bda's annual 2025 AQI (105) shows an average percentage change of -5.8% (improved AQI) compared to previous years: 2020 (109), 2021 (115), 2022 (117), 2023 (110), 2024 (107).