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!
June Air Quality Analysis
Bilbao, Basque Country, 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 19 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
Bilbao, Basque Country, Spain
6 AM2nd Jun 2026
9 PM
5 AM3rd Jun 2026
40AQI
18AQI
27AQI
13AQI
In the last 24 hours,
Bilbao's AQI reached its highest point of 40 at 7 AM during the Day, while the lowest point, 13, was recorded at 5 AM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Bilbao, Basque Country, Spain
12°C9/15°C
12°C9/15°C
13°C7/21°C
15°C9/21°C
16°C11/22°C
15°C11/20°C
14°C8/20°C
13°C10/15°C
13°C10/17°C
12°C11/14°C
11°C7/14°C
12°C8/16°C
12°C7/17°C
14°C10/18°C
16°C11/22°C
17°C11/24°C
21°C13/30°C
23°C16/32°C
21°C17/26°C
22°C15/29°C
24°C17/32°C
24°C16/32°C
24°C17/33°C
24°C17/33°C
19°C15/25°C
18°C14/23°C
17°C12/21°C
17°C11/24°C
16°C14/20°C
18°C11/25°C
36AQI
28AQI
34AQI
31AQI
2026 Days Vs Air Quality
Bilbao, Basque Country, Spain
91%
138
9%
13
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% 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
Bilbao, Basque Country, Spain
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
41AQI (US)
33AQI (US)
27AQI (US)
25AQI (US)
34AQI (US)
24AQI (US)
25AQI (US)
18AQI (US)
20AQI (US)
19AQI (US)
24AQI (US)
14AQI (US)
17AQI (US)
20AQI (US)
23AQI (US)
19AQI (US)
38AQI (US)
19AQI (US)
24AQI (US)
27AQI (US)
15AQI (US)
30AQI (US)
43AQI (US)
30AQI (US)
39AQI (US)
38AQI (US)
31AQI (US)
11AQI (US)
22AQI (US)
25AQI (US)
15AQI (US)
25AQI (US)
11AQI (US)
24AQI (US)
22AQI (US)
37AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
37AQI (US)
35AQI (US)
29AQI (US)
29AQI (US)
19AQI (US)
29AQI (US)
18AQI (US)
13AQI (US)
37AQI (US)
36AQI (US)
35AQI (US)
34AQI (US)
26AQI (US)
35AQI (US)
56AQI (US)
29AQI (US)
43AQI (US)
57AQI (US)
55AQI (US)
17AQI (US)
31AQI (US)
48AQI (US)
39AQI (US)
56AQI (US)
67AQI (US)
11AQI (US)
14AQI (US)
31AQI (US)
32AQI (US)
26AQI (US)
40AQI (US)
32AQI (US)
27AQI (US)
11AQI (US)
21AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
29AQI (US)
33AQI (US)
40AQI (US)
65AQI (US)
62AQI (US)
59AQI (US)
47AQI (US)
15AQI (US)
21AQI (US)
32AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
18AQI (US)
9AQI (US)
26AQI (US)
27AQI (US)
34AQI (US)
27AQI (US)
25AQI (US)
40AQI (US)
48AQI (US)
58AQI (US)
38AQI (US)
17AQI (US)
15AQI (US)
22AQI (US)
30AQI (US)
29AQI (US)
24AQI (US)
27AQI (US)
56AQI (US)
51AQI (US)
31AQI (US)
24AQI (US)
38AQI (US)
47AQI (US)
33AQI (US)
46AQI (US)
44AQI (US)
19AQI (US)
31AQI (US)
21AQI (US)
17AQI (US)
20AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
27AQI (US)
13AQI (US)
18AQI (US)
27AQI (US)
36AQI (US)
35AQI (US)
38AQI (US)
39AQI (US)
41AQI (US)
38AQI (US)
46AQI (US)
43AQI (US)
43AQI (US)
38AQI (US)
29AQI (US)
50AQI (US)
60AQI (US)
63AQI (US)
34AQI (US)
21AQI (US)
20AQI (US)
26AQI (US)
19AQI (US)
25AQI (US)
32AQI (US)
34AQI (US)
32AQI (US)
33AQI (US)
22AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
March34AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
November38AQI (US)
Lowest AQI (US) recorded in
May27AQI (US)
202333AQI (US)
Highest AQI (US) recorded in
February45AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
July56AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202141AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
December27AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Bilbao's annual 2026 AQI (US) (31) shows an average percentage change of -13.8% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (41), 2022 (41), 2023 (33), 2024 (32), 2025 (36).