SmogRank / Countries / Spain / Basque Country
Most polluted cities in Basque Country, Spain
0 measured cities ranked by PM2.5, this year.
No city has enough measurements for this window yet.
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data
Estimated: cities without a monitor
Basque Country cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.
| City | 7-day estimate |
|---|---|
| Barakaldo estimated | ≈ 12 µg/m³ |
| Irun estimated | ≈ 9 µg/m³ |
| Santutxu estimated | ≈ 12 µg/m³ |
| Portugalete estimated | ≈ 9 µg/m³ |
| Basauri estimated | ≈ 12 µg/m³ |
| Errenteria estimated | ≈ 10 µg/m³ |
| Leioa estimated | ≈ 12 µg/m³ |
| Galdakao estimated | ≈ 12 µg/m³ |
| Sestao estimated | ≈ 9 µg/m³ |
| Eibar estimated | ≈ 11 µg/m³ |
| Erandio estimated | ≈ 12 µg/m³ |
| Arrasate / Mondragón estimated | ≈ 11 µg/m³ |
| Lasarte estimated | ≈ 10 µg/m³ |
| Hondarribia estimated | ≈ 9 µg/m³ |
| Ermua estimated | ≈ 11 µg/m³ |
| Gernika-Lumo estimated | ≈ 12 µg/m³ |
| Mungia estimated | ≈ 12 µg/m³ |
| Pasaia estimated | ≈ 10 µg/m³ |
Updated 2026-10-01 10:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.