Cancer Hospital, Huanglongsi, 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
Cancer Hospital, Huanglongsi, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 61 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Cancer Hospital, Huanglongsi, Henan, China
5 AM12th Aug 2025
7 PM
4 AM13th Aug 2025
66AQI
45AQI
61AQI
56AQI
In the last 24 hours,
Cancer Hospital's AQI reached its highest point of 66 at 8 AM during the Day, while the lowest point, 45, was recorded at 5 PM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Cancer Hospital, Huanglongsi, Henan, China
34°C30/41°C
35°C29/42°C
34°C29/40°C
33°C26/39°C
33°C26/40°C
33°C26/39°C
31°C26/40°C
29°C24/35°C
29°C25/35°C
30°C25/35°C
32°C26/38°C
32°C26/39°C
32°C26/39°C
32°C26/38°C
32°C27/39°C
32°C26/39°C
32°C26/39°C
31°C25/38°C
32°C26/39°C
32°C25/39°C
34°C27/42°C
34°C28/39°C
33°C28/39°C
30°C27/38°C
30°C25/37°C
28°C26/32°C
24°C23/25°C
27°C24/30°C
26°C22/33°C
26°C22/32°C
--°C/°C
63AQI
64AQI
66AQI
66AQI
2025 Days Vs Air Quality
Cancer Hospital, Huanglongsi, Henan, China
0.4%
1
50%
111
37%
83
11%
25
1%
3
0.4%
1
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 0.45%
Health Risk Level:
Extreme
In 2025, 0.45% of 225 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
Cancer Hospital, Huanglongsi, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
160AQI
141AQI
168AQI
183AQI
138AQI
113AQI
113AQI
89AQI
98AQI
123AQI
88AQI
90AQI
126AQI
125AQI
103AQI
102AQI
132AQI
146AQI
151AQI
177AQI
196AQI
168AQI
158AQI
173AQI
168AQI
117AQI
85AQI
110AQI
205AQI
169AQI
169AQI
158AQI
181AQI
137AQI
123AQI
99AQI
98AQI
79AQI
90AQI
106AQI
131AQI
151AQI
140AQI
122AQI
144AQI
132AQI
103AQI
124AQI
132AQI
110AQI
134AQI
143AQI
143AQI
119AQI
139AQI
134AQI
149AQI
157AQI
166AQI
168AQI
121AQI
99AQI
96AQI
138AQI
128AQI
139AQI
145AQI
155AQI
157AQI
159AQI
158AQI
160AQI
110AQI
137AQI
83AQI
87AQI
84AQI
104AQI
67AQI
74AQI
81AQI
99AQI
431AQI
131AQI
158AQI
119AQI
133AQI
89AQI
99AQI
102AQI
95AQI
70AQI
94AQI
123AQI
79AQI
111AQI
107AQI
135AQI
133AQI
138AQI
140AQI
267AQI
115AQI
88AQI
90AQI
143AQI
138AQI
139AQI
110AQI
117AQI
107AQI
102AQI
125AQI
81AQI
109AQI
97AQI
119AQI
76AQI
88AQI
108AQI
83AQI
113AQI
73AQI
89AQI
181AQI
141AQI
149AQI
140AQI
111AQI
87AQI
82AQI
88AQI
102AQI
100AQI
92AQI
106AQI
203AQI
99AQI
134AQI
114AQI
126AQI
122AQI
139AQI
112AQI
120AQI
95AQI
117AQI
110AQI
113AQI
101AQI
87AQI
89AQI
104AQI
82AQI
91AQI
79AQI
89AQI
107AQI
98AQI
92AQI
87AQI
83AQI
81AQI
85AQI
79AQI
63AQI
65AQI
72AQI
68AQI
66AQI
66AQI
72AQI
71AQI
68AQI
72AQI
83AQI
63AQI
65AQI
60AQI
57AQI
59AQI
52AQI
55AQI
53AQI
55AQI
52AQI
58AQI
64AQI
64AQI
59AQI
76AQI
92AQI
79AQI
72AQI
75AQI
78AQI
74AQI
67AQI
72AQI
75AQI
72AQI
72AQI
64AQI
56AQI
60AQI
62AQI
58AQI
58AQI
59AQI
58AQI
60AQI
62AQI
62AQI
63AQI
63AQI
69AQI
71AQI
68AQI
66AQI
61AQI
49AQI
58AQI
62AQI
61AQI
138AQI
130AQI
129AQI
115AQI
114AQI
77AQI
65AQI
63AQI
No. of days
2025107AQI
Highest AQI recorded in
January138AQI
Lowest AQI recorded in
August63AQI
2024108AQI
Highest AQI recorded in
January160AQI
Lowest AQI recorded in
July50AQI
2023115AQI
Highest AQI recorded in
January166AQI
Lowest AQI recorded in
July67AQI
2022125AQI
Highest AQI recorded in
January187AQI
Lowest AQI recorded in
July66AQI
2021118AQI
Highest AQI recorded in
January178AQI
Lowest AQI recorded in
July63AQI
2020113AQI
Highest AQI recorded in
December170AQI
Lowest AQI recorded in
August76AQI
Most & Least Polluted Years Over the Last 6 Years
Cancer Hospital's annual 2025 AQI (107) shows an average percentage change of -7.2% (improved AQI) compared to previous years: 2020 (113), 2021 (118), 2022 (125), 2023 (115), 2024 (108).