Yucheng, Sichuan, 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
Yucheng, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 60 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: 3rd Aug - 4th Aug 2025
Yucheng, Sichuan, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
69AQI
58AQI
In the last 24 hours,
Yucheng's AQI reached its highest point of 69 at 4 PM during the Night, while the lowest point, 58, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yucheng, Sichuan, China
21°C17/24°C
22°C18/26°C
21°C18/26°C
24°C19/28°C
25°C21/31°C
26°C21/32°C
25°C21/28°C
25°C21/31°C
25°C19/31°C
25°C20/32°C
27°C21/32°C
28°C21/35°C
28°C24/35°C
26°C23/30°C
25°C21/31°C
25°C22/31°C
27°C22/33°C
26°C22/34°C
26°C21/33°C
25°C21/29°C
25°C22/28°C
25°C22/31°C
26°C20/32°C
26°C21/33°C
28°C23/34°C
27°C21/34°C
26°C20/33°C
27°C23/33°C
28°C24/35°C
--°C/°C
--°C/°C
60AQI
60AQI
62AQI
62AQI
2025 Days Vs Air Quality
Yucheng, Sichuan, China
9%
20
71%
153
17%
36
2%
5
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% 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
Yucheng, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
131AQI
126AQI
146AQI
163AQI
143AQI
164AQI
133AQI
112AQI
100AQI
120AQI
74AQI
132AQI
109AQI
133AQI
128AQI
128AQI
144AQI
85AQI
116AQI
123AQI
153AQI
156AQI
180AQI
136AQI
109AQI
91AQI
114AQI
88AQI
143AQI
138AQI
112AQI
94AQI
74AQI
80AQI
84AQI
80AQI
74AQI
68AQI
61AQI
73AQI
71AQI
94AQI
74AQI
84AQI
95AQI
85AQI
113AQI
101AQI
108AQI
75AQI
94AQI
89AQI
62AQI
78AQI
75AQI
49AQI
69AQI
123AQI
80AQI
135AQI
98AQI
89AQI
95AQI
63AQI
62AQI
63AQI
61AQI
82AQI
102AQI
103AQI
100AQI
119AQI
90AQI
74AQI
68AQI
61AQI
50AQI
65AQI
72AQI
66AQI
68AQI
65AQI
72AQI
76AQI
92AQI
118AQI
103AQI
106AQI
101AQI
105AQI
95AQI
82AQI
98AQI
97AQI
62AQI
79AQI
76AQI
81AQI
77AQI
92AQI
86AQI
127AQI
89AQI
95AQI
90AQI
104AQI
89AQI
96AQI
79AQI
92AQI
87AQI
87AQI
94AQI
75AQI
84AQI
65AQI
63AQI
59AQI
56AQI
55AQI
61AQI
66AQI
62AQI
73AQI
56AQI
60AQI
63AQI
56AQI
73AQI
78AQI
73AQI
76AQI
72AQI
76AQI
68AQI
68AQI
66AQI
71AQI
71AQI
74AQI
78AQI
75AQI
67AQI
69AQI
72AQI
85AQI
60AQI
59AQI
63AQI
61AQI
51AQI
46AQI
46AQI
56AQI
60AQI
63AQI
65AQI
70AQI
56AQI
57AQI
56AQI
62AQI
64AQI
69AQI
71AQI
64AQI
64AQI
65AQI
66AQI
48AQI
58AQI
52AQI
45AQI
55AQI
42AQI
44AQI
52AQI
57AQI
52AQI
46AQI
43AQI
53AQI
53AQI
48AQI
48AQI
38AQI
43AQI
42AQI
55AQI
52AQI
57AQI
45AQI
51AQI
57AQI
64AQI
68AQI
71AQI
72AQI
71AQI
60AQI
56AQI
46AQI
55AQI
55AQI
53AQI
50AQI
40AQI
45AQI
53AQI
57AQI
55AQI
61AQI
60AQI
60AQI
127AQI
82AQI
85AQI
84AQI
68AQI
56AQI
54AQI
60AQI
No. of days
202579AQI
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
July54AQI
202481AQI
Highest AQI recorded in
January143AQI
Lowest AQI recorded in
July45AQI
202387AQI
Highest AQI recorded in
December146AQI
Lowest AQI recorded in
August52AQI
202286AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
August32AQI
202180AQI
Highest AQI recorded in
January136AQI
Lowest AQI recorded in
August49AQI
202072AQI
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
July52AQI
Most & Least Polluted Years Over the Last 6 Years
Yucheng's annual 2025 AQI (79) shows an average percentage change of -1.8% (improved AQI) compared to previous years: 2020 (72), 2021 (80), 2022 (86), 2023 (87), 2024 (81).