El Bosque, San Bernardo, Region Metropolitana, 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
El Bosque, San Bernardo, Region Metropolitana, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (13th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 72 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Oct - 14th Oct 2025
El Bosque, San Bernardo, Region Metropolitana, Chile
7 AM13th Oct 2025
7 PM
6 AM14th Oct 2025
81AQI
70AQI
80AQI
61AQI
In the last 24 hours,
El Bosque's AQI reached its highest point of 81 at 12 PM during the Day, while the lowest point, 61, was recorded at 3 AM during the Night between 13th Oct and 14th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
El Bosque, San Bernardo, Region Metropolitana, Chile
14°C11/20°C
16°C10/25°C
17°C12/24°C
15°C11/20°C
15°C10/22°C
14°C10/21°C
11°C9/16°C
10°C7/15°C
13°C6/21°C
16°C10/23°C
19°C13/27°C
17°C12/24°C
10°C7/16°C
12°C6/20°C
16°C10/23°C
15°C11/21°C
16°C10/24°C
19°C12/27°C
20°C15/28°C
17°C11/24°C
12°C9/16°C
10°C7/15°C
13°C5/21°C
16°C8/24°C
19°C11/27°C
19°C13/27°C
17°C11/23°C
14°C8/21°C
16°C9/25°C
18°C11/26°C
--°C/°C
71AQI
57AQI
69AQI
58AQI
2025 Days Vs Air Quality
El Bosque, San Bernardo, Region Metropolitana, Chile
13%
36
64%
184
22%
63
1%
3
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 287 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
El Bosque, San Bernardo, Region Metropolitana, Chile
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
57AQI
53AQI
59AQI
57AQI
58AQI
52AQI
47AQI
50AQI
53AQI
63AQI
61AQI
53AQI
50AQI
57AQI
53AQI
41AQI
45AQI
46AQI
46AQI
59AQI
58AQI
47AQI
44AQI
62AQI
57AQI
72AQI
54AQI
54AQI
60AQI
61AQI
58AQI
58AQI
51AQI
46AQI
55AQI
47AQI
55AQI
62AQI
54AQI
60AQI
55AQI
65AQI
72AQI
72AQI
65AQI
51AQI
46AQI
58AQI
63AQI
62AQI
62AQI
60AQI
58AQI
48AQI
52AQI
54AQI
50AQI
64AQI
47AQI
42AQI
46AQI
49AQI
52AQI
57AQI
47AQI
41AQI
38AQI
52AQI
60AQI
60AQI
61AQI
60AQI
60AQI
53AQI
49AQI
57AQI
61AQI
58AQI
56AQI
58AQI
52AQI
58AQI
60AQI
53AQI
62AQI
56AQI
61AQI
72AQI
35AQI
58AQI
70AQI
70AQI
64AQI
67AQI
64AQI
56AQI
62AQI
72AQI
74AQI
68AQI
53AQI
76AQI
77AQI
57AQI
60AQI
63AQI
68AQI
80AQI
77AQI
75AQI
75AQI
74AQI
74AQI
59AQI
52AQI
65AQI
74AQI
70AQI
78AQI
91AQI
102AQI
98AQI
102AQI
78AQI
81AQI
118AQI
114AQI
60AQI
71AQI
94AQI
98AQI
103AQI
126AQI
112AQI
125AQI
124AQI
101AQI
105AQI
69AQI
85AQI
88AQI
116AQI
125AQI
91AQI
72AQI
48AQI
45AQI
89AQI
104AQI
93AQI
114AQI
119AQI
120AQI
144AQI
125AQI
149AQI
128AQI
139AQI
151AQI
130AQI
116AQI
104AQI
77AQI
82AQI
94AQI
81AQI
41AQI
84AQI
102AQI
113AQI
132AQI
113AQI
100AQI
73AQI
103AQI
95AQI
109AQI
129AQI
115AQI
148AQI
124AQI
149AQI
131AQI
133AQI
129AQI
126AQI
79AQI
84AQI
97AQI
103AQI
118AQI
140AQI
149AQI
155AQI
113AQI
153AQI
139AQI
133AQI
118AQI
127AQI
139AQI
125AQI
120AQI
131AQI
116AQI
112AQI
142AQI
147AQI
134AQI
109AQI
90AQI
62AQI
36AQI
42AQI
81AQI
92AQI
79AQI
80AQI
97AQI
122AQI
101AQI
118AQI
97AQI
82AQI
91AQI
89AQI
58AQI
67AQI
73AQI
70AQI
63AQI
56AQI
34AQI
33AQI
64AQI
75AQI
64AQI
72AQI
83AQI
83AQI
66AQI
58AQI
74AQI
74AQI
57AQI
63AQI
103AQI
83AQI
91AQI
75AQI
59AQI
58AQI
52AQI
64AQI
81AQI
53AQI
57AQI
62AQI
65AQI
76AQI
98AQI
77AQI
41AQI
18AQI
49AQI
64AQI
70AQI
62AQI
48AQI
50AQI
60AQI
59AQI
67AQI
70AQI
80AQI
87AQI
56AQI
45AQI
68AQI
70AQI
73AQI
78AQI
75AQI
62AQI
70AQI
72AQI
54AQI
57AQI
54AQI
69AQI
95AQI
111AQI
123AQI
74AQI
65AQI
70AQI
No. of days
202578AQI
Highest AQI recorded in
July123AQI
Lowest AQI recorded in
March54AQI
202475AQI
Highest AQI recorded in
July135AQI
Lowest AQI recorded in
November46AQI
202382AQI
Highest AQI recorded in
July118AQI
Lowest AQI recorded in
November43AQI
202279AQI
Highest AQI recorded in
May130AQI
Lowest AQI recorded in
November50AQI
202187AQI
Highest AQI recorded in
July156AQI
Lowest AQI recorded in
February57AQI
202085AQI
Highest AQI recorded in
July120AQI
Lowest AQI recorded in
December59AQI
Most & Least Polluted Years Over the Last 6 Years
El Bosque's annual 2025 AQI (78) shows an average percentage change of -4.2% (improved AQI) compared to previous years: 2020 (85), 2021 (87), 2022 (79), 2023 (82), 2024 (75).