Section 3, Annan District, Tainan, 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
Section 3, Annan District, Tainan, Taiwan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Section 3, Annan District, Tainan, Taiwan
5 AM3rd Aug 2026
6 PM
4 AM4th Aug 2026
40AQI
23AQI
36AQI
21AQI
In the last 24 hours,
Section 3's AQI reached its highest point of 40 at 4 PM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Section 3, Annan District, Tainan, Taiwan
30°C28/33°C
30°C28/33°C
31°C28/34°C
31°C28/34°C
30°C28/33°C
27°C27/29°C
29°C28/31°C
30°C28/33°C
30°C28/33°C
30°C27/33°C
30°C28/32°C
30°C28/33°C
30°C28/33°C
28°C27/31°C
29°C26/31°C
30°C27/33°C
30°C28/33°C
30°C28/33°C
31°C29/34°C
28°C25/33°C
27°C26/29°C
29°C27/31°C
29°C27/33°C
29°C27/33°C
29°C27/31°C
30°C27/32°C
29°C28/32°C
29°C28/32°C
31°C28/34°C
30°C28/33°C
34AQI
31AQI
35AQI
28AQI
2026 Days Vs Air Quality
Section 3, Annan District, Tainan, Taiwan
42%
89
57%
122
0.9%
2
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2026, 42% of 216 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Section 3, Annan District, Tainan, Taiwan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI (US)
45AQI (US)
62AQI (US)
66AQI (US)
84AQI (US)
74AQI (US)
79AQI (US)
81AQI (US)
75AQI (US)
74AQI (US)
67AQI (US)
74AQI (US)
77AQI (US)
86AQI (US)
81AQI (US)
77AQI (US)
89AQI (US)
81AQI (US)
73AQI (US)
59AQI (US)
41AQI (US)
52AQI (US)
62AQI (US)
56AQI (US)
65AQI (US)
94AQI (US)
104AQI (US)
60AQI (US)
61AQI (US)
68AQI (US)
85AQI (US)
40AQI (US)
54AQI (US)
77AQI (US)
90AQI (US)
88AQI (US)
56AQI (US)
68AQI (US)
71AQI (US)
66AQI (US)
61AQI (US)
81AQI (US)
84AQI (US)
93AQI (US)
101AQI (US)
67AQI (US)
92AQI (US)
66AQI (US)
51AQI (US)
73AQI (US)
82AQI (US)
96AQI (US)
82AQI (US)
93AQI (US)
98AQI (US)
70AQI (US)
61AQI (US)
57AQI (US)
71AQI (US)
45AQI (US)
28AQI (US)
50AQI (US)
51AQI (US)
76AQI (US)
66AQI (US)
60AQI (US)
65AQI (US)
61AQI (US)
46AQI (US)
60AQI (US)
64AQI (US)
73AQI (US)
69AQI (US)
65AQI (US)
69AQI (US)
85AQI (US)
63AQI (US)
55AQI (US)
74AQI (US)
66AQI (US)
58AQI (US)
86AQI (US)
83AQI (US)
84AQI (US)
66AQI (US)
64AQI (US)
70AQI (US)
69AQI (US)
69AQI (US)
54AQI (US)
64AQI (US)
81AQI (US)
62AQI (US)
59AQI (US)
53AQI (US)
50AQI (US)
42AQI (US)
64AQI (US)
67AQI (US)
47AQI (US)
60AQI (US)
68AQI (US)
53AQI (US)
40AQI (US)
38AQI (US)
63AQI (US)
77AQI (US)
72AQI (US)
63AQI (US)
69AQI (US)
65AQI (US)
71AQI (US)
65AQI (US)
62AQI (US)
59AQI (US)
69AQI (US)
51AQI (US)
41AQI (US)
59AQI (US)
64AQI (US)
41AQI (US)
57AQI (US)
61AQI (US)
22AQI (US)
38AQI (US)
58AQI (US)
43AQI (US)
48AQI (US)
41AQI (US)
48AQI (US)
45AQI (US)
36AQI (US)
76AQI (US)
60AQI (US)
52AQI (US)
45AQI (US)
61AQI (US)
67AQI (US)
73AQI (US)
68AQI (US)
65AQI (US)
57AQI (US)
42AQI (US)
28AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
62AQI (US)
66AQI (US)
59AQI (US)
41AQI (US)
13AQI (US)
19AQI (US)
41AQI (US)
32AQI (US)
17AQI (US)
19AQI (US)
25AQI (US)
48AQI (US)
16AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
33AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
42AQI (US)
44AQI (US)
32AQI (US)
41AQI (US)
30AQI (US)
20AQI (US)
17AQI (US)
19AQI (US)
21AQI (US)
24AQI (US)
38AQI (US)
57AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
41AQI (US)
46AQI (US)
44AQI (US)
53AQI (US)
35AQI (US)
31AQI (US)
32AQI (US)
36AQI (US)
34AQI (US)
36AQI (US)
30AQI (US)
38AQI (US)
29AQI (US)
27AQI (US)
40AQI (US)
71AQI (US)
75AQI (US)
64AQI (US)
60AQI (US)
50AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
No. of days
202654AQI (US)
Highest AQI (US) recorded in
February75AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202558AQI (US)
Highest AQI (US) recorded in
January76AQI (US)
Lowest AQI (US) recorded in
June32AQI (US)
202461AQI (US)
Highest AQI (US) recorded in
January92AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202364AQI (US)
Highest AQI (US) recorded in
February88AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
202259AQI (US)
Highest AQI (US) recorded in
March85AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202165AQI (US)
Highest AQI (US) recorded in
February106AQI (US)
Lowest AQI (US) recorded in
June35AQI (US)
202058AQI (US)
Highest AQI (US) recorded in
March80AQI (US)
Lowest AQI (US) recorded in
June30AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Section 3's annual 2026 AQI (US) (54) shows an average percentage change of -11.04% (improved AQI (US)) compared to previous years: 2020 (58), 2021 (65), 2022 (59), 2023 (64), 2024 (61), 2025 (58).