Yinan County Water Plant, Zhumadian, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Yinan County Water Plant, Zhumadian, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 82 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Yinan County Water Plant, Zhumadian, Henan, China
6 AM19th Oct 2025
6 PM
5 AM20th Oct 2025
AQI
AQI
123AQI
77AQI
In the last 24 hours,
Yinan County Water Plant's AQI reached its highest point of 123 at 6 PM during the Night, while the lowest point, 77, was recorded at 3 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yinan County Water Plant, Zhumadian, Henan, China
18°C13/24°C
19°C16/22°C
18°C17/18°C
16°C16/16°C
20°C15/25°C
21°C17/24°C
19°C19/20°C
20°C19/21°C
20°C19/22°C
20°C18/22°C
23°C18/28°C
21°C21/22°C
18°C17/18°C
18°C17/19°C
20°C18/23°C
22°C19/25°C
20°C17/21°C
19°C17/23°C
23°C19/28°C
18°C14/18°C
14°C13/15°C
14°C12/16°C
15°C14/16°C
16°C13/20°C
18°C13/23°C
18°C17/20°C
18°C16/20°C
17°C15/18°C
14°C13/15°C
--°C/°C
--°C/°C
63AQI
60AQI
68AQI
60AQI
2025 Days Vs Air Quality
Yinan County Water Plant, Zhumadian, Henan, China
9%
25
54%
159
27%
80
9%
26
0.6%
2
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 292 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
Yinan County Water Plant, Zhumadian, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
164AQI
176AQI
177AQI
205AQI
156AQI
147AQI
134AQI
126AQI
99AQI
128AQI
119AQI
113AQI
147AQI
143AQI
99AQI
123AQI
126AQI
153AQI
156AQI
170AQI
173AQI
206AQI
172AQI
150AQI
140AQI
109AQI
85AQI
124AQI
196AQI
161AQI
175AQI
160AQI
169AQI
170AQI
134AQI
112AQI
97AQI
88AQI
83AQI
95AQI
114AQI
138AQI
138AQI
124AQI
143AQI
140AQI
121AQI
117AQI
123AQI
146AQI
139AQI
148AQI
154AQI
162AQI
137AQI
151AQI
151AQI
155AQI
158AQI
155AQI
102AQI
95AQI
93AQI
116AQI
132AQI
127AQI
145AQI
149AQI
146AQI
153AQI
158AQI
159AQI
104AQI
133AQI
87AQI
85AQI
84AQI
87AQI
73AQI
72AQI
81AQI
97AQI
113AQI
96AQI
125AQI
118AQI
130AQI
104AQI
113AQI
108AQI
109AQI
93AQI
102AQI
131AQI
98AQI
112AQI
104AQI
116AQI
129AQI
132AQI
118AQI
157AQI
116AQI
97AQI
93AQI
99AQI
112AQI
113AQI
99AQI
108AQI
98AQI
101AQI
116AQI
92AQI
102AQI
95AQI
100AQI
80AQI
87AQI
89AQI
87AQI
96AQI
77AQI
88AQI
100AQI
132AQI
141AQI
117AQI
106AQI
86AQI
90AQI
87AQI
95AQI
94AQI
101AQI
95AQI
126AQI
102AQI
123AQI
106AQI
108AQI
105AQI
116AQI
104AQI
102AQI
101AQI
110AQI
109AQI
107AQI
91AQI
86AQI
85AQI
87AQI
90AQI
92AQI
85AQI
87AQI
85AQI
85AQI
78AQI
78AQI
81AQI
82AQI
80AQI
75AQI
71AQI
70AQI
73AQI
57AQI
49AQI
58AQI
62AQI
70AQI
66AQI
64AQI
66AQI
56AQI
55AQI
51AQI
48AQI
51AQI
49AQI
44AQI
50AQI
51AQI
53AQI
56AQI
59AQI
63AQI
53AQI
63AQI
77AQI
68AQI
62AQI
63AQI
63AQI
68AQI
65AQI
65AQI
65AQI
63AQI
59AQI
57AQI
47AQI
50AQI
54AQI
54AQI
52AQI
51AQI
53AQI
57AQI
57AQI
58AQI
56AQI
58AQI
62AQI
63AQI
63AQI
58AQI
56AQI
53AQI
57AQI
47AQI
48AQI
50AQI
57AQI
52AQI
46AQI
51AQI
55AQI
55AQI
47AQI
49AQI
49AQI
49AQI
52AQI
55AQI
56AQI
59AQI
60AQI
60AQI
61AQI
56AQI
55AQI
57AQI
59AQI
68AQI
64AQI
62AQI
64AQI
52AQI
54AQI
57AQI
51AQI
46AQI
56AQI
53AQI
51AQI
58AQI
50AQI
48AQI
42AQI
53AQI
62AQI
49AQI
48AQI
48AQI
60AQI
58AQI
43AQI
55AQI
63AQI
55AQI
58AQI
43AQI
66AQI
75AQI
70AQI
63AQI
76AQI
105AQI
85AQI
48AQI
54AQI
63AQI
61AQI
86AQI
73AQI
90AQI
54AQI
73AQI
82AQI
147AQI
135AQI
114AQI
107AQI
103AQI
71AQI
58AQI
55AQI
55AQI
70AQI
No. of days
202592AQI
Highest AQI recorded in
January147AQI
Lowest AQI recorded in
September55AQI
202499AQI
Highest AQI recorded in
December139AQI
Lowest AQI recorded in
August60AQI
2023108AQI
Highest AQI recorded in
November140AQI
Lowest AQI recorded in
December105AQI
2021126AQI
Highest AQI recorded in
January139AQI
Lowest AQI recorded in
March80AQI
2020101AQI
Highest AQI recorded in
December141AQI
Lowest AQI recorded in
July56AQI
Most & Least Polluted Years Over the Last 5 Years
Yinan County Water Plant's annual 2025 AQI (92) shows an average percentage change of -14.6% (improved AQI) compared to previous years: 2020 (101), 2021 (126), 2023 (108), 2024 (99).