Jiyuan, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Jiyuan, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 55 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Jiyuan, Henan, China
5 AM2nd Jul 2025
7 PM
4 AM3rd Jul 2025
60AQI
39AQI
59AQI
43AQI
In the last 24 hours,
Jiyuan's AQI reached its highest point of 60 at 5 AM during the Day, while the lowest point, 39, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Jiyuan, Henan, China
28°C20/36°C
30°C21/38°C
31°C23/38°C
33°C25/41°C
30°C26/36°C
31°C24/38°C
32°C24/40°C
31°C27/36°C
32°C24/40°C
32°C25/39°C
33°C25/40°C
30°C26/33°C
29°C22/36°C
30°C22/37°C
32°C22/41°C
28°C23/33°C
24°C22/28°C
28°C23/33°C
30°C26/34°C
31°C24/36°C
30°C26/35°C
29°C24/35°C
25°C19/27°C
24°C20/29°C
26°C21/35°C
28°C22/36°C
29°C23/35°C
28°C23/34°C
29°C24/34°C
31°C26/37°C
0°C0/0°C
71AQI
71AQI
71AQI
71AQI
2025 Days Vs Air Quality
Jiyuan, Henan, China
52%
95
33%
61
14%
26
0.5%
1
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 184 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
Jiyuan, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
151AQI
152AQI
160AQI
174AQI
140AQI
116AQI
110AQI
92AQI
104AQI
128AQI
97AQI
95AQI
131AQI
93AQI
85AQI
98AQI
129AQI
136AQI
153AQI
163AQI
181AQI
188AQI
166AQI
177AQI
165AQI
102AQI
90AQI
100AQI
169AQI
171AQI
175AQI
172AQI
179AQI
124AQI
114AQI
83AQI
110AQI
66AQI
79AQI
105AQI
132AQI
149AQI
107AQI
121AQI
130AQI
118AQI
97AQI
119AQI
132AQI
113AQI
140AQI
149AQI
156AQI
121AQI
152AQI
127AQI
148AQI
154AQI
162AQI
157AQI
97AQI
92AQI
103AQI
134AQI
138AQI
138AQI
141AQI
152AQI
152AQI
160AQI
151AQI
158AQI
117AQI
117AQI
78AQI
80AQI
69AQI
82AQI
68AQI
77AQI
81AQI
103AQI
358AQI
131AQI
142AQI
111AQI
121AQI
92AQI
91AQI
92AQI
88AQI
80AQI
90AQI
103AQI
81AQI
96AQI
98AQI
110AQI
105AQI
112AQI
105AQI
110AQI
101AQI
82AQI
87AQI
111AQI
117AQI
115AQI
108AQI
107AQI
95AQI
124AQI
115AQI
92AQI
98AQI
95AQI
89AQI
80AQI
80AQI
100AQI
82AQI
95AQI
82AQI
85AQI
104AQI
110AQI
130AQI
113AQI
100AQI
91AQI
82AQI
81AQI
90AQI
84AQI
82AQI
91AQI
93AQI
90AQI
104AQI
101AQI
104AQI
99AQI
111AQI
92AQI
95AQI
87AQI
98AQI
97AQI
98AQI
87AQI
86AQI
85AQI
85AQI
82AQI
79AQI
78AQI
80AQI
79AQI
87AQI
79AQI
78AQI
85AQI
82AQI
84AQI
77AQI
73AQI
74AQI
76AQI
66AQI
64AQI
70AQI
67AQI
62AQI
64AQI
67AQI
81AQI
64AQI
68AQI
60AQI
64AQI
60AQI
55AQI
55AQI
135AQI
127AQI
122AQI
99AQI
95AQI
74AQI
55AQI
No. of days
2025108AQI
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
July55AQI
202499AQI
Highest AQI recorded in
January170AQI
Lowest AQI recorded in
July62AQI
2023137AQI
Highest AQI recorded in
December138AQI
Lowest AQI recorded in
November127AQI
2021123AQI
Highest AQI recorded in
March198AQI
Lowest AQI recorded in
July74AQI
2020130AQI
Highest AQI recorded in
December151AQI
Lowest AQI recorded in
October95AQI
Most & Least Polluted Years Over the Last 5 Years
Jiyuan's annual 2025 AQI (108) shows an average percentage change of -10.3% (improved AQI) compared to previous years: 2020 (130), 2021 (123), 2023 (137), 2024 (99).