Puente Alto, 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!
August Air Quality Analysis
Puente Alto, San Bernardo, Region Metropolitana, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (11th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 94 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Puente Alto, San Bernardo, Region Metropolitana, Chile
7 AM11th Aug 2025
6 PM
6 AM12th Aug 2025
97AQI
64AQI
97AQI
52AQI
In the last 24 hours,
Puente Alto's AQI reached its highest point of 97 at 12 PM during the Day, while the lowest point, 52, was recorded at 5 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Puente Alto, San Bernardo, Region Metropolitana, Chile
12°C8/17°C
10°C7/14°C
9°C6/13°C
10°C5/16°C
14°C9/22°C
16°C12/22°C
15°C12/21°C
15°C13/19°C
14°C11/19°C
15°C11/21°C
14°C10/19°C
12°C9/15°C
11°C8/15°C
10°C8/12°C
11°C8/15°C
15°C11/21°C
16°C14/21°C
14°C11/16°C
11°C10/13°C
9°C8/12°C
8°C7/10°C
9°C6/13°C
13°C9/18°C
14°C12/19°C
14°C11/19°C
13°C9/18°C
14°C9/20°C
11°C8/15°C
12°C8/18°C
16°C11/22°C
--°C/°C
94AQI
94AQI
106AQI
99AQI
2025 Days Vs Air Quality
Puente Alto, San Bernardo, Region Metropolitana, Chile
15%
33
61%
136
23%
51
1%
3
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 224 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
Puente Alto, San Bernardo, Region Metropolitana, Chile
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
53AQI
47AQI
55AQI
53AQI
54AQI
52AQI
48AQI
46AQI
47AQI
56AQI
53AQI
48AQI
47AQI
50AQI
46AQI
39AQI
41AQI
44AQI
42AQI
60AQI
56AQI
45AQI
42AQI
54AQI
58AQI
64AQI
51AQI
51AQI
58AQI
61AQI
55AQI
54AQI
50AQI
48AQI
51AQI
44AQI
50AQI
59AQI
60AQI
65AQI
59AQI
60AQI
59AQI
63AQI
57AQI
48AQI
48AQI
51AQI
57AQI
58AQI
59AQI
56AQI
56AQI
51AQI
52AQI
47AQI
52AQI
58AQI
46AQI
41AQI
37AQI
43AQI
54AQI
53AQI
48AQI
42AQI
46AQI
53AQI
54AQI
58AQI
58AQI
62AQI
61AQI
58AQI
63AQI
65AQI
56AQI
53AQI
54AQI
58AQI
53AQI
55AQI
57AQI
57AQI
61AQI
62AQI
69AQI
69AQI
41AQI
55AQI
69AQI
61AQI
58AQI
61AQI
70AQI
61AQI
62AQI
63AQI
80AQI
75AQI
56AQI
69AQI
68AQI
61AQI
58AQI
63AQI
70AQI
78AQI
70AQI
77AQI
69AQI
73AQI
74AQI
63AQI
54AQI
66AQI
73AQI
67AQI
79AQI
91AQI
103AQI
102AQI
94AQI
72AQI
73AQI
122AQI
117AQI
53AQI
62AQI
83AQI
93AQI
103AQI
124AQI
112AQI
119AQI
123AQI
98AQI
99AQI
59AQI
78AQI
84AQI
106AQI
110AQI
107AQI
86AQI
54AQI
48AQI
86AQI
97AQI
85AQI
103AQI
116AQI
113AQI
132AQI
137AQI
149AQI
130AQI
134AQI
134AQI
126AQI
103AQI
96AQI
69AQI
67AQI
86AQI
73AQI
37AQI
62AQI
79AQI
97AQI
132AQI
118AQI
106AQI
74AQI
101AQI
92AQI
110AQI
126AQI
123AQI
142AQI
116AQI
141AQI
125AQI
121AQI
89AQI
126AQI
80AQI
72AQI
88AQI
103AQI
117AQI
135AQI
151AQI
159AQI
116AQI
149AQI
127AQI
102AQI
85AQI
105AQI
99AQI
103AQI
95AQI
105AQI
116AQI
90AQI
116AQI
151AQI
136AQI
102AQI
90AQI
58AQI
37AQI
44AQI
82AQI
85AQI
77AQI
77AQI
75AQI
98AQI
97AQI
110AQI
94AQI
51AQI
54AQI
55AQI
68AQI
92AQI
106AQI
111AQI
80AQI
No. of days
202577AQI
Highest AQI recorded in
July111AQI
Lowest AQI recorded in
January51AQI
202468AQI
Highest AQI recorded in
July112AQI
Lowest AQI recorded in
November45AQI
202370AQI
Highest AQI recorded in
May93AQI
Lowest AQI recorded in
November27AQI
202270AQI
Highest AQI recorded in
May111AQI
Lowest AQI recorded in
January50AQI
202174AQI
Highest AQI recorded in
July119AQI
Lowest AQI recorded in
November54AQI
202074AQI
Highest AQI recorded in
May88AQI
Lowest AQI recorded in
December58AQI
Most & Least Polluted Years Over the Last 6 Years
Puente Alto's annual 2025 AQI (77) shows an average percentage change of 8.9% (worsened AQI) compared to previous years: 2020 (74), 2021 (74), 2022 (70), 2023 (70), 2024 (68).