La Serena, Coquimbo, 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
La Serena, Coquimbo, 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 56 of Moderate air quality, showing improvement over 2025 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
La Serena, Coquimbo, Chile
7 AM3rd Jun 2026
5 PM
6 AM4th Jun 2026
59AQI
33AQI
106AQI
56AQI
In the last 24 hours,
La Serena's AQI reached its highest point of 106 at 1 AM during the Night, while the lowest point, 33, was recorded at 4 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
La Serena, Coquimbo, Chile
16°C11/20°C
16°C12/21°C
16°C11/22°C
14°C9/18°C
14°C10/20°C
14°C9/19°C
13°C10/17°C
13°C9/18°C
13°C10/17°C
15°C11/21°C
15°C13/19°C
13°C8/17°C
14°C9/19°C
14°C10/20°C
14°C10/18°C
13°C9/18°C
12°C8/16°C
12°C10/14°C
11°C8/18°C
15°C11/21°C
15°C11/18°C
14°C10/18°C
15°C11/21°C
15°C11/21°C
14°C11/18°C
14°C9/18°C
13°C9/17°C
14°C10/20°C
15°C11/21°C
14°C11/17°C
50AQI
39AQI
53AQI
41AQI
2026 Days Vs Air Quality
La Serena, Coquimbo, Chile
85%
129
15%
22
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 155 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
La Serena, Coquimbo, Chile
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI (US)
27AQI (US)
24AQI (US)
20AQI (US)
28AQI (US)
30AQI (US)
35AQI (US)
28AQI (US)
40AQI (US)
39AQI (US)
36AQI (US)
34AQI (US)
40AQI (US)
30AQI (US)
40AQI (US)
57AQI (US)
54AQI (US)
48AQI (US)
55AQI (US)
50AQI (US)
55AQI (US)
54AQI (US)
53AQI (US)
47AQI (US)
49AQI (US)
46AQI (US)
41AQI (US)
45AQI (US)
46AQI (US)
48AQI (US)
44AQI (US)
46AQI (US)
54AQI (US)
51AQI (US)
51AQI (US)
49AQI (US)
44AQI (US)
41AQI (US)
46AQI (US)
47AQI (US)
42AQI (US)
45AQI (US)
46AQI (US)
53AQI (US)
53AQI (US)
44AQI (US)
44AQI (US)
46AQI (US)
46AQI (US)
47AQI (US)
44AQI (US)
41AQI (US)
35AQI (US)
40AQI (US)
42AQI (US)
42AQI (US)
32AQI (US)
32AQI (US)
32AQI (US)
40AQI (US)
47AQI (US)
42AQI (US)
41AQI (US)
37AQI (US)
33AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
32AQI (US)
36AQI (US)
38AQI (US)
37AQI (US)
34AQI (US)
33AQI (US)
35AQI (US)
35AQI (US)
34AQI (US)
32AQI (US)
33AQI (US)
32AQI (US)
34AQI (US)
40AQI (US)
36AQI (US)
34AQI (US)
31AQI (US)
32AQI (US)
34AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
31AQI (US)
34AQI (US)
29AQI (US)
29AQI (US)
31AQI (US)
34AQI (US)
31AQI (US)
37AQI (US)
29AQI (US)
35AQI (US)
35AQI (US)
31AQI (US)
32AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
35AQI (US)
36AQI (US)
33AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
33AQI (US)
35AQI (US)
30AQI (US)
29AQI (US)
33AQI (US)
35AQI (US)
37AQI (US)
36AQI (US)
31AQI (US)
52AQI (US)
53AQI (US)
42AQI (US)
40AQI (US)
54AQI (US)
55AQI (US)
48AQI (US)
53AQI (US)
57AQI (US)
58AQI (US)
72AQI (US)
59AQI (US)
59AQI (US)
47AQI (US)
44AQI (US)
47AQI (US)
42AQI (US)
35AQI (US)
41AQI (US)
56AQI (US)
41AQI (US)
44AQI (US)
35AQI (US)
31AQI (US)
43AQI (US)
44AQI (US)
No. of days
202639AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
April31AQI (US)
202550AQI (US)
Highest AQI (US) recorded in
June67AQI (US)
Lowest AQI (US) recorded in
January36AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
July58AQI (US)
Lowest AQI (US) recorded in
March20AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
February62AQI (US)
Lowest AQI (US) recorded in
December18AQI (US)
202242AQI (US)
Highest AQI (US) recorded in
May55AQI (US)
Lowest AQI (US) recorded in
November29AQI (US)
202145AQI (US)
Highest AQI (US) recorded in
July74AQI (US)
Lowest AQI (US) recorded in
February30AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
June55AQI (US)
Lowest AQI (US) recorded in
March26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
La Serena's annual 2026 AQI (US) (39) shows an average percentage change of -8.1% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (45), 2022 (42), 2023 (40), 2024 (37), 2025 (50).