Talcahuano, Biobio, Chile Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Talcahuano, Biobio, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 80 of Moderate air quality, showing improvement over 2025 and 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Talcahuano, Biobio, Chile
7 AM3rd Jun 2026
5 PM
6 AM4th Jun 2026
66AQI
29AQI
119AQI
32AQI
In the last 24 hours,
Talcahuano's AQI reached its highest point of 119 at 3 AM during the Night, while the lowest point, 29, was recorded at 5 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Talcahuano, Biobio, Chile
13°C11/14°C
11°C9/12°C
11°C10/13°C
11°C9/14°C
12°C9/16°C
13°C10/16°C
12°C11/15°C
13°C11/15°C
11°C9/14°C
11°C10/13°C
10°C7/14°C
10°C7/14°C
11°C9/15°C
12°C9/15°C
12°C9/16°C
11°C9/14°C
11°C9/12°C
11°C10/12°C
11°C9/14°C
12°C10/15°C
12°C11/15°C
13°C11/14°C
13°C12/14°C
12°C11/14°C
12°C10/16°C
12°C11/14°C
12°C11/14°C
13°C12/14°C
13°C12/15°C
12°C10/14°C
51AQI
45AQI
58AQI
44AQI
2026 Days Vs Air Quality
Talcahuano, Biobio, Chile
86%
131
14%
21
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 155 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Talcahuano, Biobio, Chile
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
42AQI (US)
34AQI (US)
30AQI (US)
34AQI (US)
28AQI (US)
29AQI (US)
36AQI (US)
44AQI (US)
42AQI (US)
22AQI (US)
29AQI (US)
34AQI (US)
50AQI (US)
29AQI (US)
34AQI (US)
40AQI (US)
39AQI (US)
42AQI (US)
73AQI (US)
61AQI (US)
38AQI (US)
50AQI (US)
54AQI (US)
46AQI (US)
49AQI (US)
46AQI (US)
40AQI (US)
45AQI (US)
46AQI (US)
49AQI (US)
44AQI (US)
46AQI (US)
53AQI (US)
50AQI (US)
51AQI (US)
49AQI (US)
44AQI (US)
40AQI (US)
46AQI (US)
48AQI (US)
42AQI (US)
46AQI (US)
46AQI (US)
53AQI (US)
54AQI (US)
43AQI (US)
44AQI (US)
46AQI (US)
46AQI (US)
47AQI (US)
44AQI (US)
40AQI (US)
34AQI (US)
40AQI (US)
42AQI (US)
42AQI (US)
32AQI (US)
32AQI (US)
32AQI (US)
40AQI (US)
47AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
32AQI (US)
35AQI (US)
38AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
31AQI (US)
33AQI (US)
38AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
31AQI (US)
37AQI (US)
29AQI (US)
34AQI (US)
36AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
33AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
33AQI (US)
35AQI (US)
30AQI (US)
28AQI (US)
33AQI (US)
34AQI (US)
37AQI (US)
36AQI (US)
31AQI (US)
52AQI (US)
52AQI (US)
41AQI (US)
39AQI (US)
53AQI (US)
56AQI (US)
48AQI (US)
52AQI (US)
57AQI (US)
58AQI (US)
72AQI (US)
78AQI (US)
42AQI (US)
34AQI (US)
48AQI (US)
84AQI (US)
83AQI (US)
55AQI (US)
66AQI (US)
44AQI (US)
80AQI (US)
41AQI (US)
44AQI (US)
35AQI (US)
31AQI (US)
45AQI (US)
61AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
June61AQI (US)
Lowest AQI (US) recorded in
April31AQI (US)
202556AQI (US)
Highest AQI (US) recorded in
June108AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202461AQI (US)
Highest AQI (US) recorded in
May109AQI (US)
Lowest AQI (US) recorded in
November33AQI (US)
202358AQI (US)
Highest AQI (US) recorded in
July80AQI (US)
Lowest AQI (US) recorded in
November41AQI (US)
202264AQI (US)
Highest AQI (US) recorded in
May103AQI (US)
Lowest AQI (US) recorded in
November41AQI (US)
202171AQI (US)
Highest AQI (US) recorded in
July116AQI (US)
Lowest AQI (US) recorded in
February43AQI (US)
202067AQI (US)
Highest AQI (US) recorded in
June99AQI (US)
Lowest AQI (US) recorded in
November42AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Talcahuano's annual 2026 AQI (US) (40) shows an average percentage change of -35.9% (improved AQI (US)) compared to previous years: 2020 (67), 2021 (71), 2022 (64), 2023 (58), 2024 (61), 2025 (56).