Huatan, Changhua, Taiwan 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
Huatan, Changhua, Taiwan
AQI Trends: Highest and Lowest
Same Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Huatan, Changhua, Taiwan
5 AM4th Aug 2026
6 PM
4 AM5th Aug 2026
51AQI
21AQI
38AQI
29AQI
In the last 24 hours,
Huatan's AQI reached its highest point of 51 at 2 PM during the Day, while the lowest point, 21, was recorded at 5 AM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Huatan, Changhua, Taiwan
30°C28/34°C
30°C28/33°C
30°C28/33°C
30°C28/32°C
27°C26/28°C
29°C27/32°C
30°C28/34°C
30°C27/34°C
31°C28/35°C
31°C28/34°C
31°C28/34°C
31°C28/34°C
30°C28/33°C
30°C27/34°C
30°C27/34°C
30°C28/33°C
30°C28/33°C
30°C28/33°C
30°C27/34°C
29°C28/31°C
28°C26/32°C
29°C26/32°C
29°C27/31°C
30°C28/32°C
30°C28/33°C
30°C28/33°C
30°C28/32°C
30°C28/33°C
30°C28/32°C
30°C27/33°C
35AQI
31AQI
34AQI
31AQI
2026 Days Vs Air Quality
Huatan, Changhua, Taiwan
57%
123
42%
90
0.4%
1
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 57%
Health Risk Level:
Considerable
In 2026, 57% of 217 days were within WHO’s safe air quality limits, and 43% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Huatan, Changhua, Taiwan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI (US)
38AQI (US)
43AQI (US)
58AQI (US)
80AQI (US)
68AQI (US)
69AQI (US)
71AQI (US)
65AQI (US)
50AQI (US)
63AQI (US)
60AQI (US)
70AQI (US)
79AQI (US)
79AQI (US)
79AQI (US)
80AQI (US)
64AQI (US)
62AQI (US)
40AQI (US)
27AQI (US)
41AQI (US)
40AQI (US)
51AQI (US)
54AQI (US)
79AQI (US)
73AQI (US)
36AQI (US)
40AQI (US)
64AQI (US)
40AQI (US)
19AQI (US)
44AQI (US)
61AQI (US)
74AQI (US)
79AQI (US)
80AQI (US)
44AQI (US)
61AQI (US)
46AQI (US)
46AQI (US)
72AQI (US)
63AQI (US)
87AQI (US)
97AQI (US)
84AQI (US)
79AQI (US)
36AQI (US)
41AQI (US)
65AQI (US)
79AQI (US)
102AQI (US)
100AQI (US)
85AQI (US)
69AQI (US)
50AQI (US)
46AQI (US)
51AQI (US)
35AQI (US)
47AQI (US)
51AQI (US)
35AQI (US)
27AQI (US)
47AQI (US)
44AQI (US)
53AQI (US)
48AQI (US)
40AQI (US)
36AQI (US)
50AQI (US)
51AQI (US)
68AQI (US)
64AQI (US)
61AQI (US)
67AQI (US)
75AQI (US)
88AQI (US)
82AQI (US)
60AQI (US)
56AQI (US)
53AQI (US)
85AQI (US)
83AQI (US)
89AQI (US)
66AQI (US)
46AQI (US)
69AQI (US)
82AQI (US)
76AQI (US)
58AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
44AQI (US)
49AQI (US)
47AQI (US)
41AQI (US)
42AQI (US)
58AQI (US)
43AQI (US)
57AQI (US)
66AQI (US)
50AQI (US)
42AQI (US)
36AQI (US)
48AQI (US)
82AQI (US)
66AQI (US)
78AQI (US)
77AQI (US)
58AQI (US)
34AQI (US)
39AQI (US)
48AQI (US)
70AQI (US)
71AQI (US)
66AQI (US)
19AQI (US)
38AQI (US)
54AQI (US)
49AQI (US)
50AQI (US)
52AQI (US)
27AQI (US)
51AQI (US)
63AQI (US)
28AQI (US)
43AQI (US)
43AQI (US)
48AQI (US)
73AQI (US)
39AQI (US)
75AQI (US)
60AQI (US)
53AQI (US)
46AQI (US)
61AQI (US)
68AQI (US)
73AQI (US)
68AQI (US)
65AQI (US)
57AQI (US)
42AQI (US)
28AQI (US)
30AQI (US)
46AQI (US)
69AQI (US)
48AQI (US)
55AQI (US)
67AQI (US)
61AQI (US)
24AQI (US)
18AQI (US)
39AQI (US)
36AQI (US)
15AQI (US)
22AQI (US)
23AQI (US)
36AQI (US)
36AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
45AQI (US)
46AQI (US)
31AQI (US)
29AQI (US)
25AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
18AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
36AQI (US)
42AQI (US)
25AQI (US)
28AQI (US)
22AQI (US)
27AQI (US)
23AQI (US)
20AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
34AQI (US)
43AQI (US)
54AQI (US)
63AQI (US)
59AQI (US)
37AQI (US)
29AQI (US)
24AQI (US)
25AQI (US)
33AQI (US)
28AQI (US)
41AQI (US)
30AQI (US)
29AQI (US)
33AQI (US)
42AQI (US)
58AQI (US)
64AQI (US)
60AQI (US)
52AQI (US)
52AQI (US)
32AQI (US)
31AQI (US)
35AQI (US)
No. of days
202649AQI (US)
Highest AQI (US) recorded in
February64AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202555AQI (US)
Highest AQI (US) recorded in
January69AQI (US)
Lowest AQI (US) recorded in
June33AQI (US)
202461AQI (US)
Highest AQI (US) recorded in
March87AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202362AQI (US)
Highest AQI (US) recorded in
April84AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202258AQI (US)
Highest AQI (US) recorded in
March91AQI (US)
Lowest AQI (US) recorded in
July36AQI (US)
202163AQI (US)
Highest AQI (US) recorded in
February99AQI (US)
Lowest AQI (US) recorded in
June32AQI (US)
202053AQI (US)
Highest AQI (US) recorded in
March78AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Huatan's annual 2026 AQI (US) (49) shows an average percentage change of -16.1% (improved AQI (US)) compared to previous years: 2020 (53), 2021 (63), 2022 (58), 2023 (62), 2024 (61), 2025 (55).