Erandio, Portugalete, Basque Country, Spain Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Erandio, Portugalete, Basque Country, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (11th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Feb - 11th Feb 2026
Erandio, Portugalete, Basque Country, Spain
8 AM10th Feb 2026
6 PM
7 AM11th Feb 2026
60AQI
8AQI
50AQI
39AQI
In the last 24 hours,
Erandio's AQI reached its highest point of 60 at 4 PM during the Day, while the lowest point, 8, was recorded at 8 AM during the Day between 10th Feb and 11th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Erandio, Portugalete, Basque Country, Spain
11°C9/15°C
11°C8/13°C
10°C8/12°C
10°C8/12°C
7°C5/7°C
7°C5/9°C
8°C5/12°C
9°C5/13°C
12°C9/14°C
10°C8/12°C
9°C7/12°C
7°C5/11°C
8°C5/11°C
9°C5/11°C
11°C6/14°C
7°C4/11°C
10°C7/16°C
9°C6/14°C
9°C6/12°C
9°C7/12°C
11°C9/15°C
10°C8/13°C
11°C8/15°C
12°C10/14°C
11°C8/15°C
10°C8/14°C
9°C6/12°C
11°C7/14°C
13°C11/18°C
13°C9/17°C
26AQI
21AQI
33AQI
24AQI
2026 Days Vs Air Quality
Erandio, Portugalete, Basque Country, Spain
100%
42
Total number of days with different AQI categories in last 43 days in 2026 (322 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2026, 100% of 43 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
Erandio, Portugalete, Basque Country, Spain
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI (US)
30AQI (US)
26AQI (US)
24AQI (US)
38AQI (US)
21AQI (US)
22AQI (US)
13AQI (US)
20AQI (US)
18AQI (US)
18AQI (US)
11AQI (US)
17AQI (US)
24AQI (US)
26AQI (US)
14AQI (US)
39AQI (US)
12AQI (US)
15AQI (US)
22AQI (US)
12AQI (US)
29AQI (US)
41AQI (US)
30AQI (US)
38AQI (US)
36AQI (US)
34AQI (US)
17AQI (US)
25AQI (US)
22AQI (US)
13AQI (US)
31AQI (US)
14AQI (US)
20AQI (US)
16AQI (US)
39AQI (US)
31AQI (US)
28AQI (US)
32AQI (US)
33AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
28AQI (US)
No. of days
202625AQI (US)
Highest AQI (US) recorded in
February28AQI (US)
Lowest AQI (US) recorded in
January24AQI (US)
202537AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
November29AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
March26AQI (US)
202331AQI (US)
Highest AQI (US) recorded in
February49AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
December22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Erandio's annual 2026 AQI (US) (25) shows an average percentage change of -29.4% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (37), 2022 (38), 2023 (31), 2024 (34), 2025 (37).