Barakaldo, Euskadi, Spain Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Barakaldo, Euskadi, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 28 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Barakaldo, Euskadi, Spain
7 AM17th Sep 2025
8 PM
6 AM18th Sep 2025
39AQI
22AQI
59AQI
28AQI
In the last 24 hours,
Barakaldo's AQI reached its highest point of 59 at 5 AM during the Night, while the lowest point, 22, was recorded at 8 AM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Barakaldo, Euskadi, Spain
19°C17/23°C
19°C16/23°C
19°C17/21°C
19°C17/22°C
20°C15/25°C
21°C17/27°C
22°C19/27°C
20°C18/23°C
18°C17/21°C
18°C16/22°C
19°C15/24°C
21°C17/26°C
18°C15/20°C
17°C15/21°C
19°C15/25°C
21°C17/27°C
18°C16/21°C
18°C14/23°C
24°C17/34°C
22°C18/28°C
16°C15/17°C
17°C15/20°C
17°C15/19°C
18°C16/22°C
18°C17/19°C
18°C15/22°C
20°C15/26°C
18°C17/21°C
18°C16/23°C
20°C15/25°C
--°C/°C
34AQI
30AQI
32AQI
30AQI
2025 Days Vs Air Quality
Barakaldo, Euskadi, Spain
81%
91
19%
21
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 261 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
Barakaldo, Euskadi, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
42AQI
37AQI
24AQI
25AQI
39AQI
40AQI
24AQI
22AQI
20AQI
39AQI
57AQI
64AQI
61AQI
60AQI
65AQI
53AQI
40AQI
33AQI
41AQI
45AQI
53AQI
56AQI
55AQI
54AQI
52AQI
55AQI
51AQI
46AQI
40AQI
38AQI
36AQI
39AQI
47AQI
36AQI
30AQI
33AQI
33AQI
30AQI
27AQI
26AQI
26AQI
30AQI
38AQI
41AQI
41AQI
38AQI
34AQI
43AQI
49AQI
36AQI
24AQI
23AQI
22AQI
20AQI
18AQI
19AQI
36AQI
46AQI
43AQI
28AQI
24AQI
21AQI
21AQI
26AQI
25AQI
28AQI
32AQI
36AQI
31AQI
32AQI
29AQI
25AQI
35AQI
49AQI
58AQI
58AQI
58AQI
57AQI
54AQI
55AQI
53AQI
52AQI
40AQI
37AQI
34AQI
33AQI
35AQI
38AQI
45AQI
39AQI
37AQI
30AQI
24AQI
23AQI
25AQI
25AQI
29AQI
41AQI
26AQI
27AQI
29AQI
26AQI
24AQI
25AQI
30AQI
29AQI
28AQI
24AQI
24AQI
29AQI
28AQI
36AQI
44AQI
32AQI
39AQI
28AQI
No. of days
202537AQI
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
September28AQI
Most & Least Polluted Years Over the Last 1 Years
Barakaldo's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .