Calama, Antofagasta, Chile Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Calama, Antofagasta, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (20th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 33 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Nov - 21st Nov 2025
Calama, Antofagasta, Chile
6 AM20th Nov 2025
7 PM
5 AM21st Nov 2025
45AQI
26AQI
46AQI
28AQI
In the last 24 hours,
Calama's AQI reached its highest point of 46 at 2 AM during the Night, while the lowest point, 26, was recorded at 9 AM during the Day between 20th Nov and 21st Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Calama, Antofagasta, Chile
16°C9/24°C
16°C9/24°C
16°C9/24°C
16°C10/24°C
16°C9/23°C
16°C10/23°C
16°C9/23°C
16°C10/24°C
16°C9/23°C
15°C8/22°C
15°C8/22°C
15°C8/23°C
15°C8/23°C
15°C8/24°C
16°C9/25°C
15°C9/22°C
15°C8/24°C
16°C9/25°C
17°C10/24°C
17°C11/25°C
17°C11/25°C
18°C12/25°C
17°C11/24°C
17°C11/24°C
17°C11/25°C
16°C9/24°C
16°C9/24°C
17°C9/24°C
16°C8/23°C
16°C9/22°C
--°C/°C
39AQI
31AQI
39AQI
36AQI
2025 Days Vs Air Quality
Calama, Antofagasta, Chile
76%
245
24%
79
Total number of days with different AQI categories in last 325 days in 2025 (40 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 325 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
Calama, Antofagasta, Chile
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
44AQI
51AQI
61AQI
58AQI
42AQI
47AQI
54AQI
45AQI
46AQI
46AQI
47AQI
48AQI
50AQI
45AQI
59AQI
51AQI
49AQI
46AQI
42AQI
37AQI
42AQI
56AQI
46AQI
51AQI
49AQI
48AQI
64AQI
82AQI
47AQI
51AQI
55AQI
58AQI
55AQI
40AQI
42AQI
42AQI
44AQI
45AQI
48AQI
61AQI
62AQI
58AQI
41AQI
41AQI
46AQI
39AQI
34AQI
38AQI
33AQI
46AQI
46AQI
30AQI
24AQI
25AQI
34AQI
36AQI
45AQI
43AQI
42AQI
35AQI
27AQI
26AQI
29AQI
31AQI
26AQI
28AQI
30AQI
30AQI
29AQI
34AQI
44AQI
43AQI
36AQI
41AQI
48AQI
49AQI
50AQI
44AQI
41AQI
42AQI
42AQI
43AQI
41AQI
46AQI
42AQI
47AQI
46AQI
42AQI
42AQI
40AQI
45AQI
44AQI
42AQI
44AQI
40AQI
40AQI
38AQI
42AQI
38AQI
41AQI
38AQI
40AQI
38AQI
38AQI
41AQI
44AQI
35AQI
38AQI
41AQI
46AQI
45AQI
41AQI
37AQI
42AQI
43AQI
44AQI
41AQI
42AQI
43AQI
39AQI
37AQI
47AQI
44AQI
38AQI
42AQI
42AQI
41AQI
42AQI
39AQI
38AQI
41AQI
40AQI
41AQI
39AQI
43AQI
43AQI
35AQI
37AQI
42AQI
44AQI
48AQI
43AQI
41AQI
38AQI
43AQI
40AQI
47AQI
47AQI
52AQI
47AQI
43AQI
46AQI
50AQI
46AQI
40AQI
46AQI
35AQI
43AQI
42AQI
47AQI
44AQI
41AQI
39AQI
35AQI
40AQI
42AQI
44AQI
45AQI
44AQI
55AQI
39AQI
39AQI
47AQI
37AQI
42AQI
32AQI
38AQI
39AQI
44AQI
40AQI
47AQI
45AQI
51AQI
43AQI
46AQI
50AQI
46AQI
42AQI
44AQI
43AQI
47AQI
53AQI
49AQI
51AQI
59AQI
63AQI
66AQI
70AQI
63AQI
51AQI
60AQI
62AQI
64AQI
60AQI
48AQI
49AQI
50AQI
47AQI
38AQI
49AQI
41AQI
45AQI
63AQI
54AQI
57AQI
61AQI
46AQI
50AQI
50AQI
43AQI
47AQI
45AQI
47AQI
56AQI
68AQI
55AQI
48AQI
56AQI
54AQI
55AQI
61AQI
59AQI
58AQI
62AQI
65AQI
58AQI
56AQI
45AQI
40AQI
48AQI
52AQI
49AQI
50AQI
51AQI
49AQI
39AQI
74AQI
61AQI
60AQI
50AQI
59AQI
61AQI
73AQI
80AQI
65AQI
62AQI
59AQI
59AQI
52AQI
57AQI
43AQI
42AQI
43AQI
41AQI
45AQI
46AQI
43AQI
32AQI
39AQI
42AQI
47AQI
50AQI
47AQI
43AQI
46AQI
55AQI
53AQI
55AQI
56AQI
55AQI
54AQI
52AQI
50AQI
49AQI
52AQI
46AQI
47AQI
52AQI
51AQI
51AQI
54AQI
63AQI
53AQI
44AQI
44AQI
39AQI
45AQI
41AQI
37AQI
35AQI
35AQI
34AQI
35AQI
36AQI
31AQI
32AQI
33AQI
33AQI
35AQI
33AQI
32AQI
33AQI
35AQI
40AQI
39AQI
39AQI
33AQI
34AQI
37AQI
32AQI
32AQI
37AQI
33AQI
50AQI
43AQI
39AQI
41AQI
42AQI
42AQI
52AQI
53AQI
52AQI
48AQI
34AQI
No. of days
202546AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
November34AQI
202438AQI
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
January32AQI
202338AQI
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
December30AQI
202237AQI
Highest AQI recorded in
February41AQI
Lowest AQI recorded in
April34AQI
202136AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
May28AQI
202039AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
March32AQI
Most & Least Polluted Years Over the Last 6 Years
Calama's annual 2025 AQI (46) shows an average percentage change of 22.03% (worsened AQI) compared to previous years: 2020 (39), 2021 (36), 2022 (37), 2023 (38), 2024 (38).