Talca, Maule, Chile Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Talca, Maule, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 38 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Talca, Maule, Chile
7 AM4th Oct 2025
7 PM
6 AM5th Oct 2025
61AQI
25AQI
71AQI
47AQI
In the last 24 hours,
Talca's AQI reached its highest point of 71 at 4 AM during the Night, while the lowest point, 25, was recorded at 7 AM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Talca, Maule, Chile
10°C3/19°C
10°C6/16°C
9°C6/12°C
11°C8/16°C
12°C6/20°C
13°C8/19°C
10°C4/19°C
12°C6/20°C
9°C6/15°C
11°C6/16°C
11°C4/18°C
12°C6/19°C
13°C9/19°C
12°C6/20°C
13°C9/20°C
11°C10/13°C
10°C7/14°C
9°C3/16°C
12°C6/19°C
13°C7/21°C
15°C9/22°C
10°C6/13°C
11°C5/18°C
12°C6/18°C
12°C7/17°C
11°C3/19°C
12°C5/20°C
14°C6/23°C
14°C7/22°C
10°C7/12°C
--°C/°C
46AQI
42AQI
57AQI
43AQI
2025 Days Vs Air Quality
Talca, Maule, Chile
42%
115
42%
116
14%
40
2%
6
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2025, 42% of 278 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
Talca, Maule, Chile
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
34AQI
44AQI
38AQI
36AQI
34AQI
31AQI
33AQI
37AQI
40AQI
38AQI
41AQI
39AQI
36AQI
27AQI
29AQI
33AQI
34AQI
34AQI
48AQI
34AQI
31AQI
27AQI
32AQI
45AQI
42AQI
29AQI
42AQI
50AQI
46AQI
31AQI
30AQI
28AQI
32AQI
40AQI
31AQI
35AQI
65AQI
65AQI
64AQI
68AQI
66AQI
61AQI
56AQI
35AQI
35AQI
38AQI
38AQI
51AQI
46AQI
38AQI
38AQI
32AQI
30AQI
27AQI
44AQI
80AQI
50AQI
25AQI
25AQI
23AQI
25AQI
32AQI
33AQI
28AQI
25AQI
26AQI
30AQI
37AQI
46AQI
59AQI
53AQI
48AQI
41AQI
40AQI
44AQI
42AQI
49AQI
48AQI
39AQI
51AQI
80AQI
58AQI
60AQI
77AQI
64AQI
57AQI
53AQI
32AQI
38AQI
39AQI
57AQI
51AQI
55AQI
42AQI
36AQI
58AQI
93AQI
66AQI
40AQI
39AQI
40AQI
53AQI
57AQI
53AQI
67AQI
44AQI
48AQI
69AQI
77AQI
91AQI
101AQI
79AQI
37AQI
34AQI
49AQI
64AQI
65AQI
84AQI
71AQI
61AQI
69AQI
103AQI
76AQI
75AQI
103AQI
96AQI
62AQI
60AQI
68AQI
77AQI
83AQI
109AQI
90AQI
106AQI
100AQI
60AQI
70AQI
64AQI
79AQI
98AQI
89AQI
144AQI
104AQI
75AQI
41AQI
59AQI
69AQI
100AQI
91AQI
72AQI
109AQI
149AQI
152AQI
143AQI
137AQI
96AQI
100AQI
131AQI
145AQI
167AQI
134AQI
49AQI
69AQI
75AQI
37AQI
43AQI
80AQI
121AQI
104AQI
129AQI
113AQI
105AQI
103AQI
114AQI
109AQI
127AQI
147AQI
131AQI
146AQI
133AQI
156AQI
159AQI
163AQI
157AQI
142AQI
59AQI
80AQI
56AQI
62AQI
89AQI
112AQI
142AQI
108AQI
84AQI
83AQI
101AQI
77AQI
99AQI
98AQI
136AQI
114AQI
109AQI
125AQI
102AQI
48AQI
112AQI
91AQI
77AQI
112AQI
61AQI
43AQI
30AQI
42AQI
78AQI
67AQI
83AQI
90AQI
59AQI
92AQI
116AQI
87AQI
88AQI
77AQI
58AQI
78AQI
56AQI
48AQI
89AQI
70AQI
93AQI
57AQI
36AQI
30AQI
55AQI
84AQI
44AQI
44AQI
68AQI
62AQI
59AQI
85AQI
69AQI
62AQI
39AQI
46AQI
36AQI
83AQI
71AQI
52AQI
41AQI
32AQI
34AQI
49AQI
71AQI
42AQI
40AQI
57AQI
60AQI
54AQI
49AQI
49AQI
23AQI
19AQI
51AQI
57AQI
57AQI
40AQI
29AQI
55AQI
41AQI
21AQI
32AQI
34AQI
58AQI
61AQI
38AQI
37AQI
45AQI
44AQI
59AQI
82AQI
113AQI
102AQI
68AQI
46AQI
48AQI
No. of days
202566AQI
Highest AQI recorded in
June113AQI
Lowest AQI recorded in
January37AQI
202453AQI
Highest AQI recorded in
July110AQI
Lowest AQI recorded in
November27AQI
202355AQI
Highest AQI recorded in
July89AQI
Lowest AQI recorded in
November24AQI
202255AQI
Highest AQI recorded in
May95AQI
Lowest AQI recorded in
November31AQI
202168AQI
Highest AQI recorded in
July127AQI
Lowest AQI recorded in
February34AQI
202064AQI
Highest AQI recorded in
May105AQI
Lowest AQI recorded in
December31AQI
Most & Least Polluted Years Over the Last 6 Years
Talca's annual 2025 AQI (66) shows an average percentage change of 12.9% (worsened AQI) compared to previous years: 2020 (64), 2021 (68), 2022 (55), 2023 (55), 2024 (53).