SmogRank / Countries / Portugal / April 2023

Most polluted cities in Portugal, April 2023

5 cities in Portugal ranked by their average PM2.5 over the 30 days. Worst: Amora at 6.7 µg/m³, #873 of 1,251 cities in the world. Cleanest: Faro at 3.2. A city needs measurements on 70% of the days to be ranked.

  1. 1AmoraSetúbal
    6.7
  2. 2CacémLisbon
    6.1
  3. 3FunchalMadeira
    5.7
  4. 4CorroiosSetúbal
    4.2
  5. 5FaroFaro
    3.2
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 2023 · Portugal now

Use this board

SmogRank, most polluted cities in Portugal, PM2.5, April 2023, smogrank.com/pt/history/2023-04 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.