Curanilahue, Biobio, Chile Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Curanilahue, Biobio, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 141 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Curanilahue, Biobio, Chile
8 AM2nd Jul 2025
5 PM
7 AM3rd Jul 2025
138AQI
89AQI
191AQI
138AQI
In the last 24 hours,
Curanilahue's AQI reached its highest point of 191 at 5 AM during the Night, while the lowest point, undefined, was recorded at 7 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Curanilahue, Biobio, Chile
9°C7/12°C
10°C8/14°C
8°C5/14°C
8°C4/14°C
8°C5/12°C
8°C5/13°C
9°C6/16°C
11°C10/14°C
12°C9/13°C
10°C10/12°C
9°C8/11°C
11°C9/12°C
12°C10/12°C
10°C9/11°C
10°C8/12°C
8°C7/10°C
10°C8/12°C
11°C9/13°C
11°C10/13°C
10°C8/11°C
8°C7/10°C
9°C8/11°C
9°C8/10°C
9°C8/11°C
9°C8/11°C
7°C6/9°C
5°C3/9°C
6°C3/9°C
8°C5/10°C
10°C8/13°C
0°C0/0°C
84AQI
74AQI
117AQI
77AQI
2025 Days Vs Air Quality
Curanilahue, Biobio, Chile
51%
93
40%
73
9%
16
0.5%
1
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 51%
Health Risk Level:
Considerable
In 2025, 51% of 184 days were within WHO’s safe air quality limits, and 49% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Curanilahue, Biobio, Chile
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
35AQI
45AQI
33AQI
39AQI
32AQI
27AQI
29AQI
29AQI
34AQI
33AQI
34AQI
38AQI
36AQI
26AQI
23AQI
28AQI
28AQI
35AQI
34AQI
25AQI
32AQI
30AQI
29AQI
32AQI
29AQI
30AQI
41AQI
37AQI
32AQI
31AQI
28AQI
23AQI
34AQI
43AQI
36AQI
37AQI
80AQI
48AQI
45AQI
47AQI
51AQI
48AQI
60AQI
32AQI
36AQI
31AQI
26AQI
41AQI
33AQI
30AQI
30AQI
27AQI
26AQI
25AQI
42AQI
42AQI
34AQI
25AQI
23AQI
27AQI
23AQI
33AQI
32AQI
35AQI
26AQI
29AQI
22AQI
28AQI
36AQI
42AQI
43AQI
41AQI
42AQI
42AQI
43AQI
37AQI
47AQI
37AQI
21AQI
37AQI
47AQI
56AQI
69AQI
73AQI
64AQI
43AQI
43AQI
36AQI
36AQI
38AQI
52AQI
49AQI
59AQI
58AQI
46AQI
64AQI
66AQI
59AQI
43AQI
48AQI
49AQI
61AQI
51AQI
59AQI
53AQI
55AQI
55AQI
59AQI
72AQI
67AQI
55AQI
51AQI
53AQI
50AQI
59AQI
65AQI
53AQI
52AQI
80AQI
52AQI
75AQI
75AQI
63AQI
89AQI
74AQI
77AQI
62AQI
57AQI
62AQI
62AQI
76AQI
102AQI
72AQI
101AQI
72AQI
53AQI
67AQI
84AQI
90AQI
79AQI
92AQI
116AQI
97AQI
70AQI
64AQI
84AQI
92AQI
83AQI
74AQI
87AQI
92AQI
131AQI
110AQI
101AQI
78AQI
98AQI
91AQI
111AQI
130AQI
160AQI
120AQI
72AQI
82AQI
63AQI
50AQI
56AQI
62AQI
92AQI
81AQI
94AQI
45AQI
34AQI
100AQI
104AQI
99AQI
116AQI
110AQI
112AQI
105AQI
92AQI
116AQI
141AQI
33AQI
38AQI
39AQI
56AQI
78AQI
93AQI
129AQI
No. of days
202557AQI
Highest AQI recorded in
July129AQI
Lowest AQI recorded in
January33AQI
202454AQI
Highest AQI recorded in
May116AQI
Lowest AQI recorded in
February27AQI
202357AQI
Highest AQI recorded in
July103AQI
Lowest AQI recorded in
November25AQI
202256AQI
Highest AQI recorded in
August105AQI
Lowest AQI recorded in
January30AQI
202164AQI
Highest AQI recorded in
July113AQI
Lowest AQI recorded in
November29AQI
202058AQI
Highest AQI recorded in
July93AQI
Lowest AQI recorded in
December24AQI
Most & Least Polluted Years Over the Last 6 Years
Curanilahue's annual 2025 AQI (57) shows an average percentage change of -1.6% (improved AQI) compared to previous years: 2020 (58), 2021 (64), 2022 (56), 2023 (57), 2024 (54).