San Fernando, San Fernando, Libertador General Bernardo O Higgins, 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
San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (16th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 38 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 15th Jul - 16th Jul 2026
San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile
7 AM15th Jul 2026
5 PM
6 AM16th Jul 2026
106AQI
62AQI
78AQI
32AQI
In the last 24 hours,
San Fernando's AQI reached its highest point of 106 at 4 PM during the Day, while the lowest point, 32, was recorded at 5 AM during the Night between 15th Jul and 16th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile
14°C10/19°C
12°C9/16°C
11°C7/18°C
10°C5/15°C
6°C2/13°C
6°C1/13°C
4°C0/11°C
6°C2/13°C
9°C4/18°C
9°C4/16°C
7°C3/13°C
6°C0/14°C
6°C0/14°C
7°C2/15°C
5°C1/13°C
6°C0/14°C
6°C0/15°C
6°C1/13°C
8°C4/16°C
11°C4/21°C
14°C9/22°C
13°C10/17°C
14°C12/19°C
13°C10/15°C
12°C8/19°C
14°C9/22°C
13°C9/20°C
12°C9/15°C
13°C10/20°C
11°C10/12°C
103AQI
73AQI
126AQI
68AQI
2026 Days Vs Air Quality
San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile
65%
126
20%
38
15%
29
0.5%
1
Total number of days with different AQI categories in last 197 days in 2026 (168 days remaining)
Under WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2026, 65% of 197 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
32AQI (US)
30AQI (US)
42AQI (US)
41AQI (US)
41AQI (US)
45AQI (US)
44AQI (US)
37AQI (US)
37AQI (US)
42AQI (US)
36AQI (US)
44AQI (US)
49AQI (US)
55AQI (US)
74AQI (US)
70AQI (US)
68AQI (US)
58AQI (US)
59AQI (US)
43AQI (US)
48AQI (US)
44AQI (US)
38AQI (US)
42AQI (US)
40AQI (US)
52AQI (US)
42AQI (US)
43AQI (US)
57AQI (US)
52AQI (US)
47AQI (US)
47AQI (US)
44AQI (US)
41AQI (US)
43AQI (US)
47AQI (US)
41AQI (US)
41AQI (US)
41AQI (US)
49AQI (US)
50AQI (US)
41AQI (US)
44AQI (US)
46AQI (US)
44AQI (US)
48AQI (US)
43AQI (US)
38AQI (US)
33AQI (US)
39AQI (US)
42AQI (US)
44AQI (US)
32AQI (US)
34AQI (US)
33AQI (US)
38AQI (US)
50AQI (US)
41AQI (US)
41AQI (US)
37AQI (US)
28AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
31AQI (US)
37AQI (US)
39AQI (US)
39AQI (US)
36AQI (US)
30AQI (US)
35AQI (US)
35AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
37AQI (US)
35AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
36AQI (US)
30AQI (US)
36AQI (US)
29AQI (US)
34AQI (US)
36AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
31AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
31AQI (US)
27AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
34AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
34AQI (US)
36AQI (US)
36AQI (US)
31AQI (US)
52AQI (US)
53AQI (US)
41AQI (US)
40AQI (US)
53AQI (US)
55AQI (US)
48AQI (US)
54AQI (US)
57AQI (US)
58AQI (US)
71AQI (US)
75AQI (US)
119AQI (US)
127AQI (US)
96AQI (US)
115AQI (US)
116AQI (US)
125AQI (US)
137AQI (US)
137AQI (US)
114AQI (US)
120AQI (US)
139AQI (US)
115AQI (US)
100AQI (US)
125AQI (US)
90AQI (US)
82AQI (US)
100AQI (US)
102AQI (US)
106AQI (US)
104AQI (US)
125AQI (US)
143AQI (US)
136AQI (US)
101AQI (US)
87AQI (US)
59AQI (US)
75AQI (US)
74AQI (US)
114AQI (US)
90AQI (US)
97AQI (US)
96AQI (US)
81AQI (US)
81AQI (US)
90AQI (US)
99AQI (US)
103AQI (US)
117AQI (US)
140AQI (US)
119AQI (US)
109AQI (US)
115AQI (US)
152AQI (US)
134AQI (US)
112AQI (US)
83AQI (US)
79AQI (US)
94AQI (US)
102AQI (US)
88AQI (US)
38AQI (US)
45AQI (US)
43AQI (US)
34AQI (US)
30AQI (US)
54AQI (US)
105AQI (US)
105AQI (US)
No. of days
202657AQI (US)
Highest AQI (US) recorded in
June105AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202566AQI (US)
Highest AQI (US) recorded in
July122AQI (US)
Lowest AQI (US) recorded in
January41AQI (US)
202458AQI (US)
Highest AQI (US) recorded in
May96AQI (US)
Lowest AQI (US) recorded in
November34AQI (US)
202373AQI (US)
Highest AQI (US) recorded in
May106AQI (US)
Lowest AQI (US) recorded in
January38AQI (US)
202264AQI (US)
Highest AQI (US) recorded in
June118AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202170AQI (US)
Highest AQI (US) recorded in
July131AQI (US)
Lowest AQI (US) recorded in
November37AQI (US)
202070AQI (US)
Highest AQI (US) recorded in
June108AQI (US)
Lowest AQI (US) recorded in
December38AQI (US)
Most & Least Polluted Years Over the Last 7 Years
San Fernando's annual 2026 AQI (US) (57) shows an average percentage change of -14.2% (improved AQI (US)) compared to previous years: 2020 (70), 2021 (70), 2022 (64), 2023 (73), 2024 (58), 2025 (66).