Basauri, 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!
August Air Quality Analysis
Basauri, Bilbao, Basque Country, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 28 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Basauri, Bilbao, Basque Country, Spain
6 AM3rd Aug 2025
9 PM
5 AM4th Aug 2025
37AQI
25AQI
36AQI
26AQI
In the last 24 hours,
Basauri's AQI reached its highest point of 37 at 11 AM during the Day, while the lowest point, 25, was recorded at 1 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Basauri, Bilbao, Basque Country, Spain
21°C17/26°C
20°C16/25°C
17°C15/20°C
18°C14/22°C
19°C12/25°C
21°C14/29°C
21°C17/28°C
20°C16/26°C
19°C15/25°C
19°C17/22°C
19°C15/24°C
21°C14/29°C
21°C16/27°C
19°C17/23°C
19°C16/23°C
18°C15/21°C
19°C14/23°C
19°C13/26°C
18°C15/22°C
17°C14/21°C
18°C15/21°C
18°C14/23°C
18°C13/23°C
18°C15/21°C
18°C15/22°C
19°C16/23°C
18°C15/23°C
19°C15/23°C
19°C15/23°C
19°C14/24°C
--°C/°C
43AQI
33AQI
35AQI
35AQI
2025 Days Vs Air Quality
Basauri, Bilbao, Basque Country, Spain
87%
187
13%
28
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 216 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
Basauri, Bilbao, Basque Country, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
25AQI
27AQI
25AQI
23AQI
26AQI
25AQI
25AQI
28AQI
25AQI
30AQI
26AQI
36AQI
50AQI
59AQI
59AQI
57AQI
52AQI
38AQI
32AQI
31AQI
26AQI
28AQI
24AQI
23AQI
25AQI
27AQI
27AQI
28AQI
28AQI
39AQI
31AQI
32AQI
28AQI
44AQI
47AQI
58AQI
42AQI
35AQI
31AQI
36AQI
41AQI
37AQI
34AQI
35AQI
33AQI
34AQI
45AQI
53AQI
57AQI
41AQI
46AQI
32AQI
33AQI
24AQI
27AQI
30AQI
33AQI
45AQI
40AQI
29AQI
35AQI
46AQI
48AQI
30AQI
27AQI
28AQI
29AQI
28AQI
30AQI
32AQI
25AQI
30AQI
35AQI
37AQI
38AQI
26AQI
17AQI
34AQI
25AQI
16AQI
21AQI
28AQI
44AQI
50AQI
54AQI
47AQI
26AQI
30AQI
40AQI
43AQI
51AQI
21AQI
27AQI
17AQI
25AQI
44AQI
53AQI
70AQI
51AQI
41AQI
38AQI
38AQI
36AQI
18AQI
16AQI
18AQI
22AQI
17AQI
18AQI
22AQI
25AQI
32AQI
30AQI
36AQI
19AQI
22AQI
41AQI
25AQI
20AQI
25AQI
38AQI
31AQI
32AQI
24AQI
22AQI
34AQI
37AQI
46AQI
30AQI
29AQI
30AQI
33AQI
35AQI
25AQI
48AQI
50AQI
44AQI
37AQI
35AQI
43AQI
23AQI
34AQI
35AQI
33AQI
22AQI
28AQI
35AQI
35AQI
51AQI
45AQI
22AQI
28AQI
46AQI
41AQI
29AQI
34AQI
26AQI
47AQI
63AQI
69AQI
63AQI
63AQI
68AQI
49AQI
36AQI
35AQI
44AQI
48AQI
58AQI
60AQI
61AQI
62AQI
55AQI
55AQI
50AQI
46AQI
43AQI
43AQI
38AQI
47AQI
53AQI
34AQI
32AQI
41AQI
38AQI
38AQI
26AQI
36AQI
33AQI
36AQI
50AQI
45AQI
45AQI
38AQI
39AQI
51AQI
54AQI
37AQI
30AQI
27AQI
30AQI
27AQI
25AQI
21AQI
42AQI
52AQI
48AQI
28AQI
29AQI
26AQI
21AQI
27AQI
25AQI
28AQI
33AQI
38AQI
33AQI
31AQI
34AQI
48AQI
37AQI
27AQI
No. of days
202536AQI
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
August27AQI
202434AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
April28AQI
202339AQI
Highest AQI recorded in
February54AQI
Lowest AQI recorded in
December27AQI
202246AQI
Highest AQI recorded in
July58AQI
Lowest AQI recorded in
November25AQI
202146AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
August39AQI
202040AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
December31AQI
Most & Least Polluted Years Over the Last 6 Years
Basauri's annual 2025 AQI (36) shows an average percentage change of -11.1% (improved AQI) compared to previous years: 2020 (40), 2021 (46), 2022 (46), 2023 (39), 2024 (34).