Xichang City Hall, Xichang, Sichuan, 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
Xichang City Hall, Xichang, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 60 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Xichang City Hall, Xichang, Sichuan, China
5 AM4th Oct 2025
6 PM
4 AM5th Oct 2025
66AQI
44AQI
66AQI
51AQI
In the last 24 hours,
Xichang City Hall's AQI reached its highest point of 66 at 7 AM during the Day, while the lowest point, 44, was recorded at 4 PM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Xichang City Hall, Xichang, Sichuan, China
19°C13/28°C
19°C14/26°C
18°C13/27°C
17°C14/22°C
17°C10/26°C
18°C12/25°C
19°C13/25°C
18°C12/20°C
18°C11/27°C
17°C11/27°C
17°C11/27°C
18°C10/26°C
19°C15/25°C
18°C14/25°C
18°C14/22°C
17°C12/25°C
18°C11/27°C
18°C14/21°C
17°C14/18°C
16°C9/25°C
15°C7/25°C
16°C12/19°C
19°C15/25°C
18°C13/25°C
16°C11/23°C
15°C10/20°C
16°C11/20°C
20°C16/25°C
19°C14/26°C
19°C13/26°C
--°C/°C
60AQI
53AQI
59AQI
53AQI
2025 Days Vs Air Quality
Xichang City Hall, Xichang, Sichuan, China
4%
12
89%
246
7%
19
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 4%
Health Risk Level:
Extreme
In 2025, 4% of 278 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
Xichang City Hall, Xichang, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
103AQI
94AQI
109AQI
110AQI
102AQI
114AQI
91AQI
94AQI
94AQI
88AQI
80AQI
96AQI
98AQI
88AQI
99AQI
100AQI
106AQI
94AQI
97AQI
95AQI
115AQI
118AQI
133AQI
114AQI
92AQI
85AQI
87AQI
98AQI
109AQI
114AQI
95AQI
100AQI
91AQI
78AQI
96AQI
95AQI
92AQI
86AQI
87AQI
83AQI
80AQI
83AQI
79AQI
80AQI
67AQI
65AQI
70AQI
65AQI
63AQI
58AQI
64AQI
61AQI
57AQI
58AQI
60AQI
59AQI
64AQI
67AQI
65AQI
63AQI
69AQI
63AQI
66AQI
58AQI
59AQI
62AQI
64AQI
67AQI
72AQI
70AQI
77AQI
83AQI
89AQI
85AQI
82AQI
74AQI
67AQI
74AQI
83AQI
100AQI
100AQI
91AQI
88AQI
91AQI
96AQI
91AQI
115AQI
116AQI
119AQI
103AQI
98AQI
97AQI
104AQI
105AQI
100AQI
106AQI
91AQI
97AQI
99AQI
91AQI
90AQI
90AQI
76AQI
80AQI
78AQI
77AQI
77AQI
77AQI
68AQI
71AQI
67AQI
70AQI
77AQI
71AQI
78AQI
76AQI
77AQI
77AQI
74AQI
66AQI
73AQI
70AQI
70AQI
73AQI
65AQI
65AQI
65AQI
64AQI
74AQI
75AQI
73AQI
73AQI
83AQI
79AQI
79AQI
75AQI
73AQI
76AQI
74AQI
70AQI
68AQI
66AQI
71AQI
72AQI
72AQI
74AQI
65AQI
63AQI
60AQI
58AQI
54AQI
56AQI
54AQI
59AQI
65AQI
63AQI
68AQI
68AQI
62AQI
64AQI
66AQI
68AQI
72AQI
74AQI
76AQI
70AQI
67AQI
64AQI
61AQI
58AQI
57AQI
54AQI
49AQI
52AQI
50AQI
51AQI
53AQI
55AQI
51AQI
55AQI
52AQI
54AQI
49AQI
53AQI
49AQI
50AQI
51AQI
53AQI
55AQI
55AQI
54AQI
56AQI
56AQI
59AQI
61AQI
59AQI
59AQI
59AQI
60AQI
57AQI
58AQI
55AQI
54AQI
53AQI
52AQI
55AQI
56AQI
56AQI
52AQI
59AQI
59AQI
56AQI
58AQI
60AQI
58AQI
57AQI
56AQI
59AQI
60AQI
56AQI
57AQI
58AQI
55AQI
52AQI
52AQI
54AQI
55AQI
52AQI
54AQI
54AQI
54AQI
54AQI
51AQI
47AQI
45AQI
46AQI
50AQI
51AQI
50AQI
50AQI
51AQI
51AQI
54AQI
55AQI
54AQI
55AQI
57AQI
62AQI
57AQI
59AQI
59AQI
56AQI
61AQI
55AQI
55AQI
55AQI
59AQI
57AQI
53AQI
56AQI
55AQI
57AQI
57AQI
58AQI
55AQI
52AQI
53AQI
60AQI
65AQI
58AQI
55AQI
56AQI
60AQI
56AQI
50AQI
61AQI
60AQI
100AQI
74AQI
82AQI
84AQI
70AQI
60AQI
55AQI
54AQI
57AQI
57AQI
No. of days
202570AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
August54AQI
202451AQI
Highest AQI recorded in
December91AQI
Lowest AQI recorded in
January2AQI
20236AQI
Highest AQI recorded in
November7AQI
Lowest AQI recorded in
December6AQI
202280AQI
Highest AQI recorded in
January124AQI
Lowest AQI recorded in
May38AQI
202168AQI
Highest AQI recorded in
January105AQI
Lowest AQI recorded in
July48AQI
202066AQI
Highest AQI recorded in
December126AQI
Lowest AQI recorded in
July47AQI
Most & Least Polluted Years Over the Last 6 Years
Xichang City Hall's annual 2025 AQI (70) shows an average percentage change of 222.2% (worsened AQI) compared to previous years: 2020 (66), 2021 (68), 2022 (80), 2023 (6), 2024 (51).