Top 10 · By what matters
Top 10 cleanest-air cities for digital nomads
Faro (Algarve), Honolulu, Reykjavík have the cleanest air, with annual PM2.5 of 2.9–3.8 µg/m³ against a WHO guideline of 5.
Sorted by annual mean PM2.5, lowest first. 309 cities qualify; the ten best are shown. Dataset 2026.09.4. How the scores work.
- 1Faro (Algarve)Portugal
- PM2.5 µg/m³
- 2.9
- Score
- 72
- Monthly cost
- $1,719
- 2HonoluluUnited States
- PM2.5 µg/m³
- 3.1
- Score
- 66
- Monthly cost
- $3,329
- 3ReykjavíkIceland
- PM2.5 µg/m³
- 3.8
- Score
- 66
- Monthly cost
- $3,490
Torn between the top two? Compare Faro (Algarve) and Honolulu side by side →
The full Top 10
| # | City | PM2.5 µg/m³ | Score | Monthly cost |
|---|---|---|---|---|
| 1 | Faro (Algarve) Portugal | 2.9 | 72 | $1,719 |
| 2 | Honolulu United States | 3.1 | 66 | $3,329 |
| 3 | Reykjavík Iceland | 3.8 | 66 | $3,490 |
| 4 | Tallinn Estonia | 4 | 65 | $1,827 |
| 5 | Santa Fe United States | 4 | 59 | $2,963 |
| 6 | Edinburgh United Kingdom | 4.8 | 67 | $2,682 |
| 7 | Stockholm Sweden | 4.9 | 71 | $2,955 |
| 8 | Hobart Australia | 4.9 | 56 | $3,350* |
| 9 | Wellington New Zealand | 5 | 62 | $2,396 |
| 10 | Halifax Canada | 5 | 60 | $2,850* |
* country-level cost estimate. Scores are 0–100 under balanced weights; open a city for every number and its source.
Frequently asked
- Which nomad city has the cleanest air?
- Faro (Algarve), at 2.9 µg/m³ annual mean PM2.5 (2024).
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