Santa Cruz, Canary Islands, Spain 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
Santa Cruz, Canary Islands, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (20th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Oct - 21st Oct 2025
Santa Cruz, Canary Islands, Spain
8 AM20th Oct 2025
7 PM
7 AM21st Oct 2025
29AQI
22AQI
35AQI
24AQI
In the last 24 hours,
Santa Cruz's AQI reached its highest point of 35 at 11 PM during the Night, while the lowest point, 22, was recorded at 2 PM during the Day between 20th Oct and 21st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Santa Cruz, Canary Islands, Spain
23°C22/24°C
22°C21/22°C
21°C21/22°C
21°C21/22°C
21°C20/22°C
21°C21/22°C
21°C20/22°C
22°C21/23°C
21°C21/22°C
21°C20/22°C
22°C21/22°C
22°C21/23°C
22°C21/22°C
22°C21/22°C
21°C21/22°C
22°C21/23°C
22°C21/22°C
22°C21/22°C
22°C22/22°C
21°C21/22°C
21°C20/22°C
21°C21/22°C
22°C21/22°C
21°C20/22°C
21°C20/22°C
21°C21/22°C
22°C22/23°C
23°C22/23°C
22°C22/23°C
22°C21/23°C
--°C/°C
33AQI
28AQI
34AQI
29AQI
2025 Days Vs Air Quality
Santa Cruz, Canary Islands, Spain
93%
273
6%
19
0.3%
1
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 294 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Santa Cruz, Canary Islands, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI
30AQI
32AQI
48AQI
119AQI
66AQI
36AQI
39AQI
36AQI
40AQI
33AQI
46AQI
35AQI
32AQI
37AQI
63AQI
57AQI
31AQI
27AQI
30AQI
30AQI
27AQI
27AQI
25AQI
27AQI
25AQI
23AQI
23AQI
33AQI
31AQI
38AQI
30AQI
23AQI
25AQI
28AQI
29AQI
39AQI
45AQI
43AQI
46AQI
55AQI
34AQI
27AQI
27AQI
29AQI
32AQI
29AQI
28AQI
29AQI
26AQI
27AQI
30AQI
24AQI
23AQI
28AQI
47AQI
48AQI
23AQI
25AQI
28AQI
25AQI
24AQI
26AQI
25AQI
26AQI
26AQI
28AQI
27AQI
26AQI
37AQI
26AQI
33AQI
26AQI
21AQI
23AQI
33AQI
44AQI
41AQI
35AQI
29AQI
25AQI
28AQI
37AQI
33AQI
25AQI
29AQI
35AQI
45AQI
26AQI
29AQI
44AQI
32AQI
26AQI
31AQI
31AQI
25AQI
27AQI
26AQI
23AQI
26AQI
22AQI
25AQI
35AQI
29AQI
22AQI
26AQI
23AQI
19AQI
20AQI
25AQI
24AQI
21AQI
30AQI
32AQI
31AQI
30AQI
38AQI
37AQI
27AQI
25AQI
29AQI
38AQI
39AQI
30AQI
25AQI
27AQI
29AQI
25AQI
26AQI
26AQI
25AQI
23AQI
22AQI
26AQI
30AQI
29AQI
27AQI
25AQI
28AQI
29AQI
30AQI
29AQI
29AQI
24AQI
37AQI
45AQI
42AQI
37AQI
37AQI
42AQI
49AQI
45AQI
45AQI
46AQI
40AQI
29AQI
24AQI
25AQI
34AQI
40AQI
37AQI
34AQI
31AQI
28AQI
29AQI
36AQI
42AQI
44AQI
44AQI
41AQI
39AQI
34AQI
32AQI
32AQI
31AQI
44AQI
38AQI
37AQI
40AQI
49AQI
47AQI
44AQI
41AQI
42AQI
47AQI
47AQI
43AQI
45AQI
37AQI
28AQI
24AQI
23AQI
27AQI
27AQI
25AQI
27AQI
48AQI
48AQI
50AQI
49AQI
41AQI
40AQI
37AQI
29AQI
27AQI
50AQI
51AQI
56AQI
62AQI
60AQI
45AQI
38AQI
37AQI
32AQI
32AQI
34AQI
35AQI
42AQI
47AQI
49AQI
47AQI
56AQI
59AQI
58AQI
57AQI
44AQI
39AQI
49AQI
57AQI
49AQI
43AQI
35AQI
40AQI
41AQI
44AQI
40AQI
31AQI
25AQI
25AQI
28AQI
28AQI
29AQI
25AQI
23AQI
26AQI
28AQI
26AQI
28AQI
33AQI
38AQI
48AQI
36AQI
29AQI
28AQI
24AQI
28AQI
33AQI
40AQI
45AQI
65AQI
74AQI
77AQI
69AQI
65AQI
52AQI
35AQI
25AQI
27AQI
27AQI
20AQI
14AQI
20AQI
24AQI
31AQI
42AQI
40AQI
30AQI
26AQI
26AQI
31AQI
31AQI
28AQI
20AQI
19AQI
27AQI
35AQI
34AQI
35AQI
32AQI
36AQI
32AQI
27AQI
26AQI
38AQI
32AQI
30AQI
28AQI
31AQI
37AQI
41AQI
41AQI
37AQI
30AQI
No. of days
202535AQI
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
April28AQI
202443AQI
Highest AQI recorded in
January60AQI
Lowest AQI recorded in
June30AQI
202346AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
September32AQI
202246AQI
Highest AQI recorded in
January78AQI
Lowest AQI recorded in
June30AQI
202139AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
January27AQI
202035AQI
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
June26AQI
Most & Least Polluted Years Over the Last 6 Years
Santa Cruz's annual 2025 AQI (35) shows an average percentage change of -16.3% (improved AQI) compared to previous years: 2020 (35), 2021 (39), 2022 (46), 2023 (46), 2024 (43).