Yiyang, Hunan, 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
Yiyang, Hunan, China
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Yiyang, Hunan, China
8%
16
31%
65
50%
107
10%
22
0.9%
2
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 213 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
Yiyang, Hunan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
174AQI
189AQI
198AQI
229AQI
164AQI
176AQI
163AQI
142AQI
145AQI
133AQI
134AQI
139AQI
143AQI
162AQI
119AQI
133AQI
133AQI
155AQI
150AQI
163AQI
163AQI
179AQI
241AQI
180AQI
116AQI
107AQI
105AQI
143AQI
193AQI
163AQI
168AQI
138AQI
142AQI
148AQI
127AQI
139AQI
114AQI
110AQI
81AQI
90AQI
110AQI
128AQI
138AQI
152AQI
143AQI
156AQI
135AQI
109AQI
101AQI
118AQI
142AQI
152AQI
106AQI
159AQI
143AQI
150AQI
154AQI
119AQI
136AQI
103AQI
92AQI
75AQI
92AQI
94AQI
117AQI
117AQI
110AQI
126AQI
105AQI
112AQI
137AQI
133AQI
99AQI
89AQI
89AQI
80AQI
76AQI
77AQI
77AQI
78AQI
94AQI
103AQI
89AQI
116AQI
134AQI
143AQI
117AQI
124AQI
112AQI
117AQI
118AQI
118AQI
125AQI
132AQI
137AQI
130AQI
136AQI
135AQI
135AQI
137AQI
128AQI
183AQI
147AQI
151AQI
134AQI
131AQI
129AQI
125AQI
121AQI
141AQI
113AQI
117AQI
112AQI
108AQI
110AQI
106AQI
111AQI
118AQI
115AQI
106AQI
102AQI
103AQI
110AQI
116AQI
104AQI
117AQI
125AQI
102AQI
104AQI
102AQI
98AQI
103AQI
105AQI
123AQI
120AQI
106AQI
108AQI
123AQI
116AQI
101AQI
99AQI
98AQI
108AQI
117AQI
122AQI
114AQI
126AQI
103AQI
96AQI
96AQI
95AQI
90AQI
99AQI
99AQI
121AQI
98AQI
104AQI
93AQI
93AQI
90AQI
95AQI
97AQI
94AQI
92AQI
90AQI
88AQI
83AQI
81AQI
56AQI
51AQI
51AQI
47AQI
37AQI
39AQI
48AQI
52AQI
54AQI
53AQI
47AQI
47AQI
45AQI
42AQI
37AQI
42AQI
47AQI
52AQI
58AQI
62AQI
69AQI
61AQI
53AQI
65AQI
60AQI
59AQI
56AQI
59AQI
56AQI
61AQI
60AQI
58AQI
60AQI
49AQI
45AQI
44AQI
44AQI
48AQI
53AQI
53AQI
54AQI
53AQI
54AQI
55AQI
158AQI
130AQI
104AQI
127AQI
108AQI
74AQI
54AQI
No. of days
2025108AQI
Highest AQI recorded in
January158AQI
Lowest AQI recorded in
July54AQI
2024105AQI
Highest AQI recorded in
January151AQI
Lowest AQI recorded in
July46AQI
2023101AQI
Highest AQI recorded in
January174AQI
Lowest AQI recorded in
July50AQI
2022107AQI
Highest AQI recorded in
January160AQI
Lowest AQI recorded in
July49AQI
202194AQI
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
July40AQI
202096AQI
Highest AQI recorded in
December168AQI
Lowest AQI recorded in
August59AQI
Most & Least Polluted Years Over the Last 6 Years
Yiyang's annual 2025 AQI (108) shows an average percentage change of 7.4% (worsened AQI) compared to previous years: 2020 (96), 2021 (94), 2022 (107), 2023 (101), 2024 (105).
