SmogRank / Countries / Portugal / September 2023

Most polluted cities in Portugal, September 2023

7 cities in Portugal ranked by their average PM2.5 over the 30 days. Worst: Cacém at 5.8 µg/m³, #1,551 of 1,830 cities in the world. Cleanest: Vila Real at 0.7. A city needs measurements on 70% of the days to be ranked.

  1. 1CacémLisbon
    5.8
  2. 2LisbonLisbon
    5.6
  3. 3AmoraSetúbal
    4.4
  4. 4FunchalMadeira
    4.3
  5. 5CorroiosSetúbal
    3.2
  6. 6ParedesPorto
    1.5
  7. 7Vila RealVila Real
    0.7
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, September 2023 · Portugal now