City Epa Station, Hechi, Guangxi, 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
City Epa Station, Hechi, Guangxi, China
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 79 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
City Epa Station, Hechi, Guangxi, China
6 AM18th Oct 2025
6 PM
5 AM19th Oct 2025
AQI
AQI
106AQI
61AQI
In the last 24 hours,
City Epa Station's AQI reached its highest point of 106 at 9 AM during the Night, while the lowest point, 61, was recorded at 5 AM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
City Epa Station, Hechi, Guangxi, China
26°C21/32°C
26°C23/29°C
24°C21/29°C
23°C21/25°C
24°C19/31°C
24°C20/30°C
21°C20/22°C
22°C21/26°C
25°C21/31°C
25°C21/29°C
24°C22/27°C
23°C21/27°C
25°C22/30°C
25°C20/30°C
25°C20/31°C
26°C22/31°C
26°C22/32°C
23°C22/24°C
24°C22/27°C
26°C21/31°C
26°C22/31°C
26°C22/31°C
25°C20/31°C
26°C20/32°C
25°C21/30°C
23°C20/25°C
23°C21/27°C
24°C21/28°C
25°C21/30°C
--°C/°C
--°C/°C
52AQI
52AQI
55AQI
50AQI
2025 Days Vs Air Quality
City Epa Station, Hechi, Guangxi, China
25%
72
59%
172
15%
45
0.6%
2
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 291 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
City Epa Station, Hechi, Guangxi, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
150AQI
147AQI
138AQI
146AQI
130AQI
145AQI
137AQI
133AQI
93AQI
90AQI
86AQI
86AQI
101AQI
115AQI
126AQI
112AQI
118AQI
132AQI
122AQI
132AQI
139AQI
151AQI
164AQI
134AQI
97AQI
60AQI
72AQI
68AQI
118AQI
116AQI
95AQI
60AQI
44AQI
56AQI
81AQI
104AQI
57AQI
57AQI
72AQI
73AQI
94AQI
133AQI
104AQI
101AQI
105AQI
96AQI
87AQI
76AQI
65AQI
58AQI
51AQI
43AQI
41AQI
35AQI
58AQI
61AQI
65AQI
70AQI
84AQI
73AQI
84AQI
100AQI
61AQI
53AQI
47AQI
60AQI
74AQI
88AQI
71AQI
85AQI
75AQI
66AQI
64AQI
36AQI
59AQI
71AQI
53AQI
67AQI
71AQI
81AQI
108AQI
110AQI
124AQI
131AQI
134AQI
124AQI
104AQI
62AQI
54AQI
64AQI
64AQI
70AQI
89AQI
92AQI
110AQI
128AQI
138AQI
141AQI
148AQI
143AQI
116AQI
90AQI
146AQI
126AQI
135AQI
121AQI
119AQI
109AQI
89AQI
86AQI
74AQI
74AQI
49AQI
58AQI
52AQI
65AQI
67AQI
54AQI
72AQI
64AQI
61AQI
71AQI
79AQI
66AQI
68AQI
62AQI
61AQI
70AQI
59AQI
60AQI
45AQI
63AQI
70AQI
72AQI
55AQI
56AQI
59AQI
53AQI
55AQI
56AQI
58AQI
60AQI
50AQI
59AQI
68AQI
60AQI
70AQI
62AQI
39AQI
56AQI
55AQI
58AQI
40AQI
44AQI
61AQI
68AQI
63AQI
61AQI
51AQI
55AQI
59AQI
59AQI
55AQI
52AQI
52AQI
59AQI
52AQI
50AQI
46AQI
42AQI
45AQI
41AQI
38AQI
44AQI
49AQI
48AQI
52AQI
45AQI
41AQI
45AQI
49AQI
46AQI
41AQI
44AQI
47AQI
49AQI
55AQI
57AQI
56AQI
59AQI
54AQI
49AQI
55AQI
54AQI
49AQI
53AQI
56AQI
56AQI
59AQI
55AQI
56AQI
46AQI
37AQI
37AQI
39AQI
41AQI
45AQI
50AQI
53AQI
55AQI
56AQI
53AQI
53AQI
56AQI
59AQI
59AQI
56AQI
51AQI
49AQI
54AQI
55AQI
54AQI
53AQI
57AQI
54AQI
56AQI
45AQI
44AQI
46AQI
47AQI
40AQI
43AQI
44AQI
46AQI
47AQI
46AQI
46AQI
45AQI
48AQI
52AQI
53AQI
51AQI
52AQI
55AQI
56AQI
55AQI
53AQI
59AQI
60AQI
62AQI
59AQI
48AQI
48AQI
47AQI
42AQI
44AQI
52AQI
50AQI
48AQI
48AQI
48AQI
53AQI
60AQI
49AQI
51AQI
45AQI
38AQI
28AQI
19AQI
27AQI
28AQI
44AQI
63AQI
53AQI
47AQI
56AQI
64AQI
65AQI
51AQI
46AQI
53AQI
59AQI
78AQI
70AQI
76AQI
75AQI
53AQI
52AQI
53AQI
63AQI
79AQI
118AQI
73AQI
79AQI
96AQI
61AQI
51AQI
50AQI
50AQI
48AQI
61AQI
No. of days
202569AQI
Highest AQI recorded in
January118AQI
Lowest AQI recorded in
September48AQI
202470AQI
Highest AQI recorded in
December108AQI
Lowest AQI recorded in
June41AQI
202373AQI
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
August46AQI
202273AQI
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
July47AQI
202172AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
August55AQI
202067AQI
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
August50AQI
Most & Least Polluted Years Over the Last 6 Years
City Epa Station's annual 2025 AQI (69) shows an average percentage change of -2.7% (improved AQI) compared to previous years: 2020 (67), 2021 (72), 2022 (73), 2023 (73), 2024 (70).