Tap Mun, Hong Kong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Tap Mun, Hong Kong, China
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 24 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

2025 Days Vs Air Quality
Tap Mun, Hong Kong, China
37%
67
61%
110
2%
4
Total number of days with different AQI categories in last 182 days in 2025 (183 days remaining)
Under WHO’s Safe Air Quality Limits: 37%
Health Risk Level:
High
In 2025, 37% of 182 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
Tap Mun, Hong Kong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
98AQI
116AQI
93AQI
93AQI
89AQI
100AQI
85AQI
98AQI
98AQI
77AQI
86AQI
65AQI
70AQI
66AQI
73AQI
96AQI
77AQI
84AQI
77AQI
79AQI
73AQI
81AQI
74AQI
61AQI
56AQI
53AQI
53AQI
59AQI
99AQI
64AQI
67AQI
47AQI
49AQI
34AQI
43AQI
63AQI
57AQI
47AQI
60AQI
49AQI
58AQI
55AQI
51AQI
74AQI
75AQI
73AQI
83AQI
79AQI
96AQI
65AQI
70AQI
66AQI
61AQI
40AQI
52AQI
72AQI
77AQI
71AQI
62AQI
63AQI
49AQI
40AQI
42AQI
36AQI
32AQI
43AQI
51AQI
57AQI
65AQI
61AQI
49AQI
57AQI
44AQI
40AQI
35AQI
69AQI
58AQI
70AQI
69AQI
73AQI
67AQI
71AQI
72AQI
69AQI
56AQI
57AQI
56AQI
36AQI
32AQI
28AQI
45AQI
44AQI
53AQI
60AQI
51AQI
64AQI
69AQI
74AQI
62AQI
61AQI
55AQI
53AQI
123AQI
126AQI
126AQI
96AQI
85AQI
68AQI
60AQI
55AQI
54AQI
55AQI
52AQI
46AQI
39AQI
42AQI
53AQI
57AQI
60AQI
67AQI
61AQI
69AQI
75AQI
61AQI
61AQI
47AQI
46AQI
57AQI
42AQI
53AQI
52AQI
58AQI
62AQI
55AQI
47AQI
37AQI
33AQI
35AQI
40AQI
31AQI
39AQI
37AQI
39AQI
41AQI
66AQI
60AQI
69AQI
55AQI
52AQI
41AQI
54AQI
56AQI
48AQI
42AQI
38AQI
51AQI
46AQI
41AQI
33AQI
36AQI
34AQI
28AQI
29AQI
26AQI
36AQI
34AQI
34AQI
34AQI
31AQI
32AQI
28AQI
24AQI
18AQI
20AQI
21AQI
22AQI
21AQI
22AQI
21AQI
23AQI
24AQI
79AQI
62AQI
53AQI
65AQI
51AQI
32AQI
No. of days
202557AQI
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
June32AQI
202450AQI
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
July29AQI
202347AQI
Highest AQI recorded in
January64AQI
Lowest AQI recorded in
June25AQI
202248AQI
Highest AQI recorded in
September71AQI
Lowest AQI recorded in
June21AQI
202149AQI
Highest AQI recorded in
January76AQI
Lowest AQI recorded in
August29AQI
202048AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
June18AQI
Most & Least Polluted Years Over the Last 6 Years
Tap Mun's annual 2025 AQI (57) shows an average percentage change of 18.2% (worsened AQI) compared to previous years: 2020 (48), 2021 (49), 2022 (48), 2023 (47), 2024 (50).