Basurto Zorroza, Bilbao, Basque Country, 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
Basurto Zorroza, Bilbao, Basque Country, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Basurto Zorroza, Bilbao, Basque Country, Spain
7 AM4th Oct 2025
8 PM
6 AM5th Oct 2025
65AQI
47AQI
62AQI
38AQI
In the last 24 hours,
Basurto Zorroza's AQI reached its highest point of 65 at 10 AM during the Day, while the lowest point, 38, was recorded at 10 PM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Basurto Zorroza, Bilbao, Basque Country, Spain
19°C15/25°C
25°C18/35°C
23°C19/29°C
17°C16/17°C
17°C15/20°C
17°C16/19°C
19°C16/23°C
18°C17/20°C
18°C15/22°C
21°C16/27°C
19°C17/21°C
19°C17/24°C
20°C16/26°C
22°C16/31°C
25°C21/35°C
22°C17/27°C
15°C13/16°C
14°C12/16°C
14°C13/16°C
14°C13/18°C
15°C11/19°C
15°C11/20°C
19°C13/27°C
19°C16/23°C
18°C15/20°C
17°C15/21°C
16°C13/21°C
18°C13/24°C
19°C16/22°C
18°C15/23°C
--°C/°C
36AQI
31AQI
32AQI
31AQI
2025 Days Vs Air Quality
Basurto Zorroza, Bilbao, Basque Country, Spain
81%
104
19%
25
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 278 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
Basurto Zorroza, Bilbao, Basque Country, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
46AQI
40AQI
23AQI
27AQI
45AQI
41AQI
28AQI
24AQI
24AQI
42AQI
60AQI
65AQI
61AQI
60AQI
63AQI
52AQI
37AQI
33AQI
40AQI
44AQI
51AQI
56AQI
56AQI
55AQI
54AQI
55AQI
51AQI
47AQI
42AQI
38AQI
34AQI
38AQI
45AQI
36AQI
32AQI
34AQI
34AQI
31AQI
30AQI
29AQI
28AQI
30AQI
37AQI
40AQI
43AQI
40AQI
36AQI
45AQI
48AQI
37AQI
28AQI
26AQI
24AQI
22AQI
20AQI
18AQI
29AQI
39AQI
42AQI
30AQI
25AQI
22AQI
22AQI
30AQI
26AQI
28AQI
32AQI
37AQI
32AQI
33AQI
32AQI
27AQI
32AQI
48AQI
58AQI
59AQI
59AQI
56AQI
54AQI
57AQI
55AQI
51AQI
41AQI
37AQI
34AQI
34AQI
35AQI
39AQI
46AQI
40AQI
37AQI
29AQI
23AQI
22AQI
25AQI
25AQI
30AQI
26AQI
27AQI
28AQI
30AQI
26AQI
24AQI
25AQI
29AQI
29AQI
28AQI
24AQI
25AQI
30AQI
29AQI
45AQI
55AQI
48AQI
28AQI
18AQI
18AQI
19AQI
19AQI
23AQI
22AQI
28AQI
34AQI
39AQI
43AQI
51AQI
53AQI
65AQI
43AQI
45AQI
32AQI
39AQI
29AQI
53AQI
No. of days
202537AQI
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 1 Years
Basurto Zorroza's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .