Castro Urdiales, Cantabria, Spain 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
Castro Urdiales, Cantabria, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 12 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Castro Urdiales, Cantabria, Spain
6 AM2nd Jun 2026
9 PM
5 AM3rd Jun 2026
32AQI
6AQI
20AQI
9AQI
In the last 24 hours,
Castro Urdiales's AQI reached its highest point of 32 at 6 AM during the Day, while the lowest point, 6, was recorded at 1 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Castro Urdiales, Cantabria, Spain
8°C4/12°C
8°C2/14°C
9°C3/16°C
10°C5/15°C
10°C5/16°C
10°C5/14°C
9°C4/15°C
9°C5/14°C
9°C4/14°C
9°C7/12°C
7°C4/10°C
8°C2/12°C
9°C5/14°C
11°C5/18°C
13°C7/20°C
15°C7/23°C
19°C11/27°C
21°C14/29°C
20°C14/27°C
20°C13/28°C
20°C13/27°C
20°C12/27°C
22°C14/30°C
22°C15/30°C
20°C13/28°C
19°C12/27°C
14°C8/21°C
15°C8/26°C
13°C10/15°C
15°C6/24°C
32AQI
26AQI
34AQI
30AQI
2026 Days Vs Air Quality
Castro Urdiales, Cantabria, Spain
93%
141
7%
10
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 154 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
Castro Urdiales, Cantabria, Spain
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI (US)
31AQI (US)
26AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
16AQI (US)
15AQI (US)
16AQI (US)
15AQI (US)
19AQI (US)
12AQI (US)
15AQI (US)
15AQI (US)
18AQI (US)
15AQI (US)
26AQI (US)
18AQI (US)
18AQI (US)
18AQI (US)
14AQI (US)
28AQI (US)
46AQI (US)
26AQI (US)
34AQI (US)
26AQI (US)
21AQI (US)
20AQI (US)
26AQI (US)
44AQI (US)
28AQI (US)
28AQI (US)
16AQI (US)
30AQI (US)
32AQI (US)
22AQI (US)
22AQI (US)
34AQI (US)
38AQI (US)
29AQI (US)
22AQI (US)
18AQI (US)
34AQI (US)
18AQI (US)
32AQI (US)
20AQI (US)
17AQI (US)
27AQI (US)
20AQI (US)
22AQI (US)
26AQI (US)
24AQI (US)
42AQI (US)
58AQI (US)
28AQI (US)
45AQI (US)
54AQI (US)
50AQI (US)
14AQI (US)
28AQI (US)
44AQI (US)
36AQI (US)
48AQI (US)
66AQI (US)
10AQI (US)
12AQI (US)
28AQI (US)
20AQI (US)
13AQI (US)
25AQI (US)
36AQI (US)
31AQI (US)
13AQI (US)
14AQI (US)
17AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
28AQI (US)
36AQI (US)
59AQI (US)
62AQI (US)
51AQI (US)
38AQI (US)
12AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
18AQI (US)
28AQI (US)
20AQI (US)
12AQI (US)
24AQI (US)
26AQI (US)
32AQI (US)
27AQI (US)
25AQI (US)
37AQI (US)
46AQI (US)
54AQI (US)
34AQI (US)
14AQI (US)
12AQI (US)
16AQI (US)
24AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
44AQI (US)
52AQI (US)
30AQI (US)
24AQI (US)
28AQI (US)
40AQI (US)
36AQI (US)
44AQI (US)
46AQI (US)
28AQI (US)
37AQI (US)
21AQI (US)
19AQI (US)
17AQI (US)
18AQI (US)
24AQI (US)
24AQI (US)
12AQI (US)
17AQI (US)
18AQI (US)
21AQI (US)
13AQI (US)
16AQI (US)
20AQI (US)
36AQI (US)
36AQI (US)
38AQI (US)
38AQI (US)
40AQI (US)
38AQI (US)
46AQI (US)
42AQI (US)
42AQI (US)
37AQI (US)
26AQI (US)
40AQI (US)
54AQI (US)
58AQI (US)
38AQI (US)
24AQI (US)
17AQI (US)
18AQI (US)
12AQI (US)
23AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
16AQI (US)
No. of days
202628AQI (US)
Highest AQI (US) recorded in
April30AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
October46AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202429AQI (US)
Highest AQI (US) recorded in
December35AQI (US)
Lowest AQI (US) recorded in
January20AQI (US)
202324AQI (US)
Highest AQI (US) recorded in
May30AQI (US)
Lowest AQI (US) recorded in
December18AQI (US)
202226AQI (US)
Highest AQI (US) recorded in
March35AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
April27AQI (US)
Lowest AQI (US) recorded in
December18AQI (US)
202025AQI (US)
Highest AQI (US) recorded in
May31AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Castro Urdiales's annual 2026 AQI (US) (28) shows an average percentage change of 7.02% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (23), 2022 (26), 2023 (24), 2024 (29), 2025 (32).