Tung Chung, Lantau Island, Hong Kong, 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
Tung Chung, Lantau Island, Hong Kong, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Tung Chung, Lantau Island, Hong Kong, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
61AQI
49AQI
In the last 24 hours,
Tung Chung's AQI reached its highest point of 61 at 4 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tung Chung, Lantau Island, Hong Kong, China
30°C27/33°C
29°C27/32°C
29°C28/31°C
29°C28/30°C
30°C28/33°C
29°C26/31°C
27°C25/28°C
29°C27/32°C
30°C27/32°C
29°C28/30°C
30°C28/31°C
30°C28/32°C
30°C28/33°C
30°C28/33°C
29°C27/33°C
28°C27/29°C
28°C27/30°C
29°C27/31°C
28°C27/30°C
29°C27/31°C
30°C27/33°C
29°C28/31°C
29°C27/32°C
30°C28/32°C
30°C28/32°C
30°C28/33°C
30°C28/32°C
29°C27/30°C
28°C27/30°C
--°C/°C
--°C/°C
53AQI
44AQI
49AQI
49AQI
2025 Days Vs Air Quality
Tung Chung, Lantau Island, Hong Kong, China
32%
68
60%
130
8%
17
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% of 215 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Tung Chung, Lantau Island, Hong Kong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
109AQI
129AQI
98AQI
102AQI
113AQI
118AQI
95AQI
116AQI
111AQI
91AQI
92AQI
72AQI
73AQI
67AQI
77AQI
107AQI
85AQI
108AQI
109AQI
99AQI
84AQI
93AQI
91AQI
69AQI
63AQI
52AQI
56AQI
58AQI
79AQI
61AQI
61AQI
54AQI
50AQI
36AQI
47AQI
70AQI
62AQI
58AQI
64AQI
58AQI
71AQI
59AQI
61AQI
82AQI
68AQI
80AQI
105AQI
84AQI
115AQI
71AQI
78AQI
77AQI
67AQI
57AQI
60AQI
88AQI
102AQI
79AQI
76AQI
66AQI
59AQI
56AQI
46AQI
45AQI
39AQI
52AQI
69AQI
61AQI
65AQI
62AQI
61AQI
62AQI
57AQI
53AQI
40AQI
71AQI
64AQI
76AQI
79AQI
82AQI
78AQI
75AQI
75AQI
73AQI
58AQI
58AQI
56AQI
43AQI
41AQI
40AQI
61AQI
56AQI
70AQI
61AQI
62AQI
83AQI
74AQI
84AQI
68AQI
66AQI
59AQI
52AQI
127AQI
129AQI
136AQI
101AQI
87AQI
71AQI
61AQI
55AQI
55AQI
56AQI
53AQI
47AQI
52AQI
48AQI
53AQI
68AQI
60AQI
68AQI
63AQI
74AQI
69AQI
62AQI
58AQI
55AQI
52AQI
58AQI
47AQI
67AQI
56AQI
63AQI
62AQI
54AQI
45AQI
38AQI
36AQI
33AQI
40AQI
34AQI
43AQI
39AQI
38AQI
48AQI
68AQI
64AQI
70AQI
58AQI
58AQI
45AQI
60AQI
56AQI
52AQI
57AQI
42AQI
54AQI
53AQI
47AQI
38AQI
44AQI
36AQI
34AQI
34AQI
34AQI
45AQI
42AQI
41AQI
38AQI
35AQI
34AQI
33AQI
27AQI
22AQI
25AQI
24AQI
28AQI
25AQI
24AQI
23AQI
26AQI
24AQI
25AQI
25AQI
35AQI
42AQI
48AQI
44AQI
52AQI
38AQI
45AQI
46AQI
44AQI
42AQI
49AQI
46AQI
47AQI
47AQI
53AQI
56AQI
63AQI
39AQI
38AQI
42AQI
37AQI
54AQI
62AQI
61AQI
55AQI
60AQI
53AQI
59AQI
52AQI
55AQI
52AQI
56AQI
88AQI
71AQI
60AQI
71AQI
53AQI
37AQI
47AQI
54AQI
No. of days
202561AQI
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
June37AQI
202457AQI
Highest AQI recorded in
December97AQI
Lowest AQI recorded in
July31AQI
202350AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
July31AQI
202253AQI
Highest AQI recorded in
August119AQI
Lowest AQI recorded in
June21AQI
202156AQI
Highest AQI recorded in
December90AQI
Lowest AQI recorded in
May36AQI
202047AQI
Highest AQI recorded in
December85AQI
Lowest AQI recorded in
July18AQI
Most & Least Polluted Years Over the Last 6 Years
Tung Chung's annual 2025 AQI (61) shows an average percentage change of 16.1% (worsened AQI) compared to previous years: 2020 (47), 2021 (56), 2022 (53), 2023 (50), 2024 (57).