Coronel, 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
Coronel, Biobio, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 53 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: 2nd Jun - 3rd Jun 2026
Coronel, Biobio, Chile
7 AM2nd Jun 2026
5 PM
6 AM3rd Jun 2026
36AQI
12AQI
58AQI
28AQI
In the last 24 hours,
Coronel's AQI reached its highest point of 58 at 4 AM during the Night, while the lowest point, 12, was recorded at 8 AM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Coronel, Biobio, Chile
14°C12/16°C
12°C9/14°C
10°C7/12°C
10°C8/13°C
9°C5/15°C
11°C7/17°C
12°C9/17°C
13°C10/17°C
13°C10/17°C
11°C7/16°C
11°C8/16°C
9°C5/16°C
10°C5/15°C
11°C8/17°C
12°C8/17°C
12°C8/17°C
11°C7/17°C
10°C7/14°C
10°C7/12°C
10°C7/14°C
12°C8/17°C
12°C9/17°C
12°C10/15°C
13°C11/15°C
12°C10/17°C
12°C9/17°C
12°C10/15°C
12°C11/15°C
13°C11/16°C
12°C10/16°C
51AQI
39AQI
56AQI
40AQI
2026 Days Vs Air Quality
Coronel, Biobio, Chile
82%
124
18%
27
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 154 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
Coronel, Biobio, Chile
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI (US)
53AQI (US)
50AQI (US)
35AQI (US)
54AQI (US)
27AQI (US)
47AQI (US)
57AQI (US)
59AQI (US)
28AQI (US)
31AQI (US)
22AQI (US)
51AQI (US)
29AQI (US)
24AQI (US)
36AQI (US)
36AQI (US)
43AQI (US)
76AQI (US)
58AQI (US)
33AQI (US)
50AQI (US)
52AQI (US)
45AQI (US)
48AQI (US)
46AQI (US)
41AQI (US)
45AQI (US)
45AQI (US)
49AQI (US)
44AQI (US)
46AQI (US)
54AQI (US)
51AQI (US)
50AQI (US)
48AQI (US)
45AQI (US)
42AQI (US)
47AQI (US)
47AQI (US)
42AQI (US)
44AQI (US)
44AQI (US)
52AQI (US)
53AQI (US)
42AQI (US)
47AQI (US)
45AQI (US)
46AQI (US)
50AQI (US)
44AQI (US)
38AQI (US)
34AQI (US)
39AQI (US)
42AQI (US)
42AQI (US)
33AQI (US)
33AQI (US)
34AQI (US)
39AQI (US)
48AQI (US)
44AQI (US)
41AQI (US)
37AQI (US)
34AQI (US)
35AQI (US)
35AQI (US)
39AQI (US)
31AQI (US)
36AQI (US)
39AQI (US)
38AQI (US)
34AQI (US)
32AQI (US)
35AQI (US)
35AQI (US)
33AQI (US)
32AQI (US)
33AQI (US)
33AQI (US)
34AQI (US)
39AQI (US)
35AQI (US)
33AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
31AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
30AQI (US)
36AQI (US)
28AQI (US)
35AQI (US)
35AQI (US)
31AQI (US)
31AQI (US)
32AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
34AQI (US)
32AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
34AQI (US)
30AQI (US)
51AQI (US)
53AQI (US)
41AQI (US)
39AQI (US)
53AQI (US)
55AQI (US)
49AQI (US)
54AQI (US)
57AQI (US)
58AQI (US)
71AQI (US)
70AQI (US)
35AQI (US)
31AQI (US)
55AQI (US)
83AQI (US)
77AQI (US)
53AQI (US)
29AQI (US)
53AQI (US)
44AQI (US)
44AQI (US)
35AQI (US)
30AQI (US)
44AQI (US)
45AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
June45AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202556AQI (US)
Highest AQI (US) recorded in
June98AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202454AQI (US)
Highest AQI (US) recorded in
July88AQI (US)
Lowest AQI (US) recorded in
December36AQI (US)
202353AQI (US)
Highest AQI (US) recorded in
May77AQI (US)
Lowest AQI (US) recorded in
December35AQI (US)
202249AQI (US)
Highest AQI (US) recorded in
May80AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202162AQI (US)
Highest AQI (US) recorded in
July92AQI (US)
Lowest AQI (US) recorded in
November41AQI (US)
202061AQI (US)
Highest AQI (US) recorded in
April91AQI (US)
Lowest AQI (US) recorded in
December37AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Coronel's annual 2026 AQI (US) (40) shows an average percentage change of -27.8% (improved AQI (US)) compared to previous years: 2020 (61), 2021 (62), 2022 (49), 2023 (53), 2024 (54), 2025 (56).