Europe, 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
Europe, Bilbao, Basque Country, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 30 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Europe, Bilbao, Basque Country, Spain
6 AM6th Aug 2025
9 PM
5 AM7th Aug 2025
33AQI
26AQI
34AQI
26AQI
In the last 24 hours,
Europe's AQI reached its highest point of 34 at 4 AM during the Night, while the lowest point, 26, was recorded at 7 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Europe, Bilbao, Basque Country, Spain
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
22°C14/32°C
20°C15/24°C
21°C17/27°C
--°C/°C
37AQI
34AQI
35AQI
35AQI
2025 Days Vs Air Quality
Europe, Bilbao, Basque Country, Spain
87%
190
13%
28
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 219 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
Europe, Bilbao, Basque Country, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
24AQI
26AQI
26AQI
29AQI
30AQI
26AQI
32AQI
29AQI
25AQI
37AQI
26AQI
37AQI
50AQI
60AQI
57AQI
58AQI
50AQI
42AQI
31AQI
29AQI
25AQI
29AQI
29AQI
26AQI
27AQI
30AQI
30AQI
28AQI
29AQI
39AQI
33AQI
32AQI
29AQI
44AQI
49AQI
58AQI
41AQI
34AQI
32AQI
36AQI
39AQI
35AQI
36AQI
38AQI
36AQI
33AQI
47AQI
53AQI
58AQI
41AQI
45AQI
33AQI
35AQI
27AQI
30AQI
32AQI
37AQI
50AQI
42AQI
32AQI
40AQI
49AQI
50AQI
34AQI
30AQI
31AQI
30AQI
27AQI
29AQI
31AQI
25AQI
30AQI
36AQI
39AQI
38AQI
26AQI
18AQI
37AQI
24AQI
16AQI
22AQI
28AQI
41AQI
46AQI
54AQI
44AQI
27AQI
32AQI
41AQI
43AQI
52AQI
20AQI
28AQI
17AQI
26AQI
44AQI
56AQI
71AQI
53AQI
42AQI
40AQI
39AQI
39AQI
17AQI
17AQI
20AQI
21AQI
15AQI
19AQI
24AQI
27AQI
32AQI
29AQI
37AQI
20AQI
23AQI
43AQI
25AQI
21AQI
26AQI
38AQI
28AQI
34AQI
25AQI
21AQI
32AQI
38AQI
48AQI
31AQI
30AQI
30AQI
36AQI
34AQI
24AQI
45AQI
50AQI
46AQI
37AQI
35AQI
43AQI
25AQI
35AQI
36AQI
35AQI
23AQI
30AQI
38AQI
37AQI
51AQI
44AQI
24AQI
29AQI
46AQI
41AQI
30AQI
33AQI
26AQI
48AQI
65AQI
70AQI
65AQI
63AQI
67AQI
53AQI
39AQI
37AQI
45AQI
48AQI
56AQI
58AQI
59AQI
60AQI
56AQI
56AQI
53AQI
52AQI
49AQI
48AQI
43AQI
45AQI
49AQI
39AQI
34AQI
38AQI
37AQI
35AQI
30AQI
32AQI
32AQI
35AQI
44AQI
43AQI
42AQI
42AQI
40AQI
46AQI
51AQI
41AQI
33AQI
30AQI
33AQI
29AQI
25AQI
23AQI
37AQI
49AQI
52AQI
35AQI
29AQI
27AQI
22AQI
30AQI
25AQI
27AQI
32AQI
38AQI
30AQI
34AQI
39AQI
34AQI
32AQI
35AQI
49AQI
37AQI
30AQI
No. of days
202537AQI
Highest AQI recorded in
June49AQI
Lowest AQI recorded in
August30AQI
202437AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
October31AQI
202340AQI
Highest AQI recorded in
February69AQI
Lowest AQI recorded in
December28AQI
202247AQI
Highest AQI recorded in
July64AQI
Lowest AQI recorded in
September25AQI
202146AQI
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
January40AQI
202041AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
December30AQI
Most & Least Polluted Years Over the Last 6 Years
Europe's annual 2025 AQI (37) shows an average percentage change of -12.1% (improved AQI) compared to previous years: 2020 (41), 2021 (46), 2022 (47), 2023 (40), 2024 (37).