Douliu, Douliu, Yunlin, 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
Douliu, Douliu, Yunlin, Taiwan
AQI Trends: Highest and Lowest
Same Day Analysis (30th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 43 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 31st Aug - 1st Sep 2025
Douliu, Douliu, Yunlin, Taiwan
5 AM31st Aug 2025
6 PM
4 AM1st Sep 2025
AQI
AQI
55AQI
35AQI
In the last 24 hours,
Douliu's AQI reached its highest point of 55 at 8 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 31st Aug and 1st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Douliu, Douliu, Yunlin, Taiwan
29°C26/33°C
27°C25/31°C
25°C23/26°C
26°C23/30°C
29°C25/34°C
29°C25/34°C
30°C26/34°C
30°C27/34°C
29°C27/34°C
29°C26/33°C
30°C26/34°C
28°C26/33°C
29°C25/35°C
30°C26/35°C
30°C26/35°C
29°C26/35°C
29°C26/33°C
29°C26/34°C
29°C26/34°C
30°C26/35°C
30°C27/36°C
31°C27/36°C
30°C27/35°C
30°C26/36°C
29°C26/35°C
28°C26/32°C
30°C25/34°C
31°C27/36°C
30°C26/35°C
--°C/°C
--°C/°C
46AQI
38AQI
47AQI
42AQI
2025 Days Vs Air Quality
Douliu, Douliu, Yunlin, Taiwan
44%
106
55%
132
2%
4
Total number of days with different AQI categories in last 243 days in 2025 (122 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2025, 44% of 243 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Douliu, Douliu, Yunlin, Taiwan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
106AQI
61AQI
64AQI
64AQI
72AQI
79AQI
91AQI
73AQI
72AQI
60AQI
56AQI
59AQI
64AQI
83AQI
78AQI
67AQI
67AQI
74AQI
65AQI
83AQI
91AQI
114AQI
87AQI
87AQI
90AQI
77AQI
60AQI
65AQI
66AQI
71AQI
84AQI
55AQI
57AQI
52AQI
69AQI
78AQI
97AQI
65AQI
69AQI
53AQI
61AQI
72AQI
73AQI
54AQI
68AQI
55AQI
79AQI
96AQI
83AQI
82AQI
89AQI
55AQI
67AQI
43AQI
58AQI
82AQI
89AQI
103AQI
71AQI
71AQI
69AQI
62AQI
60AQI
48AQI
43AQI
58AQI
61AQI
63AQI
88AQI
104AQI
72AQI
70AQI
80AQI
70AQI
53AQI
80AQI
66AQI
75AQI
71AQI
71AQI
74AQI
75AQI
69AQI
69AQI
67AQI
61AQI
68AQI
56AQI
48AQI
50AQI
39AQI
60AQI
72AQI
76AQI
79AQI
65AQI
73AQI
75AQI
73AQI
69AQI
68AQI
59AQI
82AQI
70AQI
83AQI
79AQI
72AQI
65AQI
64AQI
62AQI
64AQI
55AQI
58AQI
59AQI
56AQI
74AQI
68AQI
61AQI
76AQI
66AQI
68AQI
72AQI
70AQI
73AQI
66AQI
65AQI
58AQI
63AQI
45AQI
40AQI
39AQI
52AQI
54AQI
56AQI
50AQI
56AQI
44AQI
37AQI
38AQI
37AQI
33AQI
42AQI
39AQI
43AQI
53AQI
54AQI
53AQI
59AQI
39AQI
54AQI
53AQI
52AQI
38AQI
35AQI
46AQI
32AQI
38AQI
31AQI
30AQI
29AQI
35AQI
44AQI
46AQI
26AQI
35AQI
35AQI
29AQI
28AQI
31AQI
30AQI
33AQI
28AQI
21AQI
23AQI
26AQI
30AQI
30AQI
28AQI
32AQI
36AQI
39AQI
43AQI
49AQI
50AQI
45AQI
39AQI
35AQI
33AQI
40AQI
37AQI
32AQI
34AQI
39AQI
45AQI
49AQI
41AQI
42AQI
44AQI
47AQI
41AQI
33AQI
32AQI
35AQI
52AQI
53AQI
44AQI
38AQI
42AQI
31AQI
32AQI
39AQI
40AQI
43AQI
41AQI
40AQI
40AQI
46AQI
46AQI
49AQI
52AQI
47AQI
38AQI
40AQI
48AQI
42AQI
37AQI
39AQI
43AQI
38AQI
39AQI
38AQI
39AQI
40AQI
46AQI
48AQI
48AQI
49AQI
44AQI
43AQI
43AQI
44AQI
43AQI
75AQI
71AQI
67AQI
67AQI
52AQI
33AQI
41AQI
43AQI
No. of days
202556AQI
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
June33AQI
202460AQI
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
July31AQI
202364AQI
Highest AQI recorded in
April86AQI
Lowest AQI recorded in
July31AQI
202264AQI
Highest AQI recorded in
March94AQI
Lowest AQI recorded in
June29AQI
202168AQI
Highest AQI recorded in
February109AQI
Lowest AQI recorded in
June30AQI
202057AQI
Highest AQI recorded in
March89AQI
Lowest AQI recorded in
June29AQI
Most & Least Polluted Years Over the Last 6 Years
Douliu's annual 2025 AQI (56) shows an average percentage change of -10.04% (improved AQI) compared to previous years: 2020 (57), 2021 (68), 2022 (64), 2023 (64), 2024 (60).