Linjiang Houjie, Dandong, Liaoning, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Linjiang Houjie, Dandong, Liaoning, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Linjiang Houjie, Dandong, Liaoning, China
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
63AQI
18AQI
62AQI
26AQI
In the last 24 hours,
Linjiang Houjie's AQI reached its highest point of 63 at 6 AM during the Day, while the lowest point, 18, was recorded at 2 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Linjiang Houjie, Dandong, Liaoning, China
24°C22/28°C
23°C22/27°C
25°C22/29°C
25°C24/28°C
26°C24/30°C
26°C23/28°C
24°C21/26°C
23°C18/28°C
22°C18/27°C
22°C20/25°C
23°C19/28°C
22°C21/25°C
20°C19/21°C
22°C18/28°C
23°C18/29°C
23°C19/27°C
24°C19/29°C
23°C20/28°C
22°C19/25°C
21°C17/26°C
21°C17/25°C
20°C15/26°C
21°C15/26°C
22°C18/27°C
22°C18/27°C
22°C18/28°C
21°C18/25°C
22°C18/27°C
20°C16/23°C
16°C12/21°C
--°C/°C
58AQI
50AQI
63AQI
56AQI
2025 Days Vs Air Quality
Linjiang Houjie, Dandong, Liaoning, China
11%
28
70%
181
18%
48
1%
3
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 261 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
Linjiang Houjie, Dandong, Liaoning, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
104AQI
77AQI
113AQI
110AQI
151AQI
110AQI
126AQI
72AQI
81AQI
83AQI
112AQI
126AQI
143AQI
100AQI
94AQI
93AQI
101AQI
102AQI
137AQI
134AQI
154AQI
97AQI
137AQI
106AQI
115AQI
107AQI
134AQI
86AQI
123AQI
116AQI
121AQI
117AQI
116AQI
73AQI
75AQI
63AQI
86AQI
51AQI
70AQI
68AQI
97AQI
100AQI
96AQI
129AQI
143AQI
145AQI
103AQI
77AQI
66AQI
61AQI
63AQI
63AQI
65AQI
63AQI
91AQI
97AQI
88AQI
131AQI
124AQI
133AQI
96AQI
73AQI
96AQI
88AQI
94AQI
113AQI
108AQI
131AQI
143AQI
121AQI
96AQI
82AQI
70AQI
77AQI
81AQI
106AQI
92AQI
117AQI
123AQI
139AQI
141AQI
151AQI
122AQI
130AQI
121AQI
92AQI
74AQI
65AQI
63AQI
87AQI
89AQI
100AQI
103AQI
104AQI
69AQI
94AQI
96AQI
98AQI
104AQI
92AQI
87AQI
65AQI
58AQI
49AQI
76AQI
78AQI
91AQI
71AQI
66AQI
64AQI
66AQI
46AQI
72AQI
82AQI
73AQI
81AQI
93AQI
88AQI
92AQI
77AQI
64AQI
64AQI
56AQI
51AQI
69AQI
56AQI
73AQI
60AQI
67AQI
61AQI
80AQI
80AQI
83AQI
71AQI
67AQI
63AQI
53AQI
64AQI
67AQI
79AQI
55AQI
100AQI
79AQI
84AQI
73AQI
86AQI
89AQI
94AQI
93AQI
96AQI
108AQI
108AQI
106AQI
70AQI
67AQI
63AQI
70AQI
60AQI
60AQI
58AQI
45AQI
53AQI
58AQI
57AQI
54AQI
58AQI
56AQI
56AQI
60AQI
60AQI
59AQI
53AQI
49AQI
55AQI
58AQI
57AQI
57AQI
60AQI
60AQI
58AQI
52AQI
51AQI
49AQI
42AQI
48AQI
52AQI
49AQI
53AQI
59AQI
61AQI
61AQI
61AQI
62AQI
62AQI
58AQI
57AQI
55AQI
54AQI
53AQI
50AQI
44AQI
45AQI
40AQI
43AQI
48AQI
59AQI
58AQI
60AQI
67AQI
59AQI
57AQI
59AQI
59AQI
59AQI
58AQI
48AQI
55AQI
48AQI
46AQI
48AQI
56AQI
45AQI
56AQI
59AQI
54AQI
56AQI
58AQI
49AQI
48AQI
54AQI
51AQI
45AQI
51AQI
48AQI
56AQI
53AQI
48AQI
46AQI
50AQI
49AQI
54AQI
56AQI
54AQI
58AQI
67AQI
70AQI
72AQI
69AQI
57AQI
61AQI
60AQI
68AQI
64AQI
69AQI
67AQI
67AQI
64AQI
63AQI
55AQI
48AQI
112AQI
90AQI
104AQI
81AQI
74AQI
61AQI
54AQI
52AQI
63AQI
No. of days
202577AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
August52AQI
202471AQI
Highest AQI recorded in
January103AQI
Lowest AQI recorded in
August44AQI
202375AQI
Highest AQI recorded in
March108AQI
Lowest AQI recorded in
August43AQI
202270AQI
Highest AQI recorded in
February100AQI
Lowest AQI recorded in
June38AQI
202176AQI
Highest AQI recorded in
March110AQI
Lowest AQI recorded in
September45AQI
202071AQI
Highest AQI recorded in
December111AQI
Lowest AQI recorded in
August45AQI
Most & Least Polluted Years Over the Last 6 Years
Linjiang Houjie's annual 2025 AQI (77) shows an average percentage change of 6.6% (worsened AQI) compared to previous years: 2020 (71), 2021 (76), 2022 (70), 2023 (75), 2024 (71).