🌿 Cleanest cities

Cleanest cities right now — a live ranking of the top 15, updated every day from Open-Meteo data.

PM2.5 comparison among cities sharing a data date. Hourly values, local time; coverage is limited to the available directory. How is the ranking calculated? →

1.1 Average 1.6 Highest 0.7 Lowest 15 Entries

Windhoek tops the ranking at 0.7, ahead of Antsirabe and Tampere. The average across the top 15 is 1.1.

  1. 1 🇳🇦 WindhoekNamibia · 2026-10-07 0.7
  2. 2 🇲🇬 AntsirabeMadagascar · 2026-10-07 0.7
  3. 3 🇫🇮 TampereFinland · 2026-10-07 0.9
  4. 4 🇫🇮 OuluFinland · 2026-10-07 0.9
  5. 5 🇰🇿 RudnyKazakhstan · 2026-10-07 0.9
  6. 6 🇲🇬 AntananarivoMadagascar · 2026-10-07 1
  7. 7 🇫🇮 TurkuFinland · 2026-10-07 1
  8. 8 🇫🇮 EspooFinland · 2026-10-07 1.2
  9. 9 🇷🇺 SaratovRussia · 2026-10-07 1.3
  10. 10 🇫🇮 HelsinkiFinland · 2026-10-07 1.3
  11. 11 🇳🇴 TrondheimNorway · 2026-10-07 1.3
  12. 12 🇫🇮 VantaaFinland · 2026-10-07 1.4
  13. 13 🇷🇺 OmskRussia · 2026-10-07 1.5
  14. 14 🇹🇲 MaryTurkmenistan · 2026-10-07 1.5
  15. 15 🇰🇪 Tharaka-Nithi CountyKenya · 2026-10-07 1.6

PM2.5 µg/m³ · Updated daily · Open-Meteo

PM2.5 refers to fine particles under 2.5 microns that lodge deep in the lungs. The WHO recommends a 24-hour average below 15 µg/m³ — the higher the value, the greater the health risk.

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