Santurce, Portugalete, Basque Country, Spain 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
Santurce, Portugalete, Basque Country, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Santurce, Portugalete, Basque Country, Spain
6 AM12th Aug 2025
9 PM
5 AM13th Aug 2025
61AQI
56AQI
62AQI
56AQI
In the last 24 hours,
Santurce's AQI reached its highest point of 62 at 3 AM during the Night, while the lowest point, 56, was recorded at 1 AM during the Night between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Santurce, Portugalete, Basque Country, Spain
20°C18/22°C
20°C17/24°C
21°C17/27°C
21°C18/26°C
20°C18/22°C
20°C18/23°C
19°C17/21°C
19°C16/23°C
20°C15/25°C
19°C16/22°C
18°C16/21°C
18°C16/22°C
19°C15/22°C
19°C15/23°C
19°C17/21°C
19°C16/22°C
20°C17/22°C
19°C17/23°C
20°C17/23°C
20°C17/23°C
20°C16/24°C
22°C16/29°C
20°C17/24°C
21°C18/26°C
22°C18/27°C
22°C18/27°C
21°C18/26°C
23°C18/29°C
26°C22/31°C
26°C21/35°C
--°C/°C
33AQI
32AQI
33AQI
32AQI
2025 Days Vs Air Quality
Santurce, Portugalete, Basque Country, Spain
88%
198
12%
26
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 225 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
Santurce, Portugalete, Basque Country, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
42AQI
26AQI
30AQI
26AQI
26AQI
27AQI
25AQI
30AQI
26AQI
26AQI
30AQI
30AQI
40AQI
48AQI
59AQI
50AQI
54AQI
54AQI
54AQI
35AQI
34AQI
33AQI
26AQI
61AQI
25AQI
30AQI
30AQI
28AQI
28AQI
28AQI
34AQI
27AQI
33AQI
40AQI
41AQI
52AQI
56AQI
41AQI
35AQI
31AQI
35AQI
37AQI
29AQI
39AQI
40AQI
44AQI
39AQI
37AQI
52AQI
51AQI
42AQI
39AQI
29AQI
29AQI
26AQI
27AQI
27AQI
36AQI
44AQI
35AQI
29AQI
43AQI
48AQI
57AQI
34AQI
32AQI
28AQI
29AQI
31AQI
28AQI
29AQI
25AQI
24AQI
28AQI
26AQI
33AQI
28AQI
21AQI
33AQI
28AQI
17AQI
20AQI
24AQI
29AQI
30AQI
35AQI
27AQI
23AQI
36AQI
37AQI
47AQI
43AQI
22AQI
35AQI
18AQI
26AQI
37AQI
55AQI
61AQI
50AQI
44AQI
41AQI
32AQI
40AQI
18AQI
17AQI
18AQI
18AQI
14AQI
17AQI
20AQI
26AQI
30AQI
23AQI
33AQI
17AQI
21AQI
42AQI
30AQI
28AQI
28AQI
36AQI
26AQI
29AQI
23AQI
22AQI
33AQI
41AQI
43AQI
34AQI
27AQI
32AQI
32AQI
29AQI
22AQI
36AQI
45AQI
49AQI
36AQI
31AQI
35AQI
24AQI
31AQI
32AQI
33AQI
23AQI
28AQI
32AQI
39AQI
47AQI
35AQI
23AQI
27AQI
32AQI
36AQI
31AQI
31AQI
23AQI
43AQI
57AQI
60AQI
62AQI
59AQI
62AQI
41AQI
30AQI
34AQI
45AQI
49AQI
58AQI
57AQI
57AQI
59AQI
52AQI
56AQI
51AQI
44AQI
39AQI
41AQI
42AQI
50AQI
49AQI
31AQI
28AQI
41AQI
37AQI
34AQI
27AQI
31AQI
32AQI
40AQI
45AQI
44AQI
42AQI
38AQI
34AQI
42AQI
44AQI
33AQI
24AQI
26AQI
25AQI
23AQI
20AQI
19AQI
36AQI
46AQI
45AQI
27AQI
25AQI
22AQI
21AQI
26AQI
24AQI
27AQI
34AQI
36AQI
30AQI
34AQI
35AQI
32AQI
35AQI
51AQI
57AQI
35AQI
38AQI
31AQI
31AQI
33AQI
45AQI
33AQI
35AQI
No. of days
202535AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
March31AQI
202432AQI
Highest AQI recorded in
February40AQI
Lowest AQI recorded in
March26AQI
202338AQI
Highest AQI recorded in
February52AQI
Lowest AQI recorded in
December25AQI
202244AQI
Highest AQI recorded in
July64AQI
Lowest AQI recorded in
November27AQI
202141AQI
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
August33AQI
202038AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
August29AQI
Most & Least Polluted Years Over the Last 6 Years
Santurce's annual 2025 AQI (35) shows an average percentage change of -8.09% (improved AQI) compared to previous years: 2020 (38), 2021 (41), 2022 (44), 2023 (38), 2024 (32).