SmogRank / Countries / Portugal / April 2026

Most polluted cities in Portugal, April 2026

2 cities in Portugal ranked by their average PM2.5 over the 30 days. Worst: Vila Real at 4.3 µg/m³, #2,069 of 2,283 cities in the world. Cleanest: Funchal at 4.1. A city needs measurements on 70% of the days to be ranked.

  1. 1Vila RealVila Real
    4.3
  2. 2FunchalMadeira
    4.1
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, April 2026 · Portugal now