---
title: "Top 10 cleanest-air cities for digital nomads"
url: https://nostos.navoy.io/top-10/cleanest-air
description: "The ten lowest annual mean PM2.5 values, measured by WHO-listed monitors or, where none exist, satellite-derived; lower is better, 5 µg/m³ is the WHO guideline."
dataset: 2026.09.4 (2026-09-26)
license: CC BY 4.0
---

# 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.

| # | City | Country | PM2.5 µg/m³ | Score | Monthly cost |
| --- | --- | --- | --- | --- | --- |
| 1 | [Faro (Algarve)](https://nostos.navoy.io/cities/faro) | Portugal | 2.9 | 72 | $1,719 |
| 2 | [Honolulu](https://nostos.navoy.io/cities/honolulu) | United States | 3.1 | 66 | $3,329 |
| 3 | [Reykjavík](https://nostos.navoy.io/cities/reykjavik) | Iceland | 3.8 | 66 | $3,490 |
| 4 | [Tallinn](https://nostos.navoy.io/cities/tallinn) | Estonia | 4 | 65 | $1,827 |
| 5 | [Santa Fe](https://nostos.navoy.io/cities/santa-fe) | United States | 4 | 59 | $2,963 |
| 6 | [Edinburgh](https://nostos.navoy.io/cities/edinburgh) | United Kingdom | 4.8 | 67 | $2,682 |
| 7 | [Stockholm](https://nostos.navoy.io/cities/stockholm) | Sweden | 4.9 | 71 | $2,955 |
| 8 | [Hobart](https://nostos.navoy.io/cities/hobart) | Australia | 4.9 | 56 | $3,350* |
| 9 | [Wellington](https://nostos.navoy.io/cities/wellington) | New Zealand | 5 | 62 | $2,396 |
| 10 | [Halifax](https://nostos.navoy.io/cities/halifax) | Canada | 5 | 60 | $2,850* |

## FAQ

### Which nomad city has the cleanest air?

Faro (Algarve), at 2.9 µg/m³ annual mean PM2.5 (2024).

Sources: Cost of Living Global 2026 (city rows); 2026 Cost of Living Index (country level); Digital Nomad Visas 2026; Worldwide Governance Indicators — Political Stability and Absence of Violence (score 0–100); Estimates of rates of homicides per 100 000 population; UHC service coverage index; Life expectancy at birth (years), both sexes; M-Lab NDT statistics (city aggregates, 2024); Airport destinations (Wikipedia airline and destination tables); NASA POWER climatology (2001–2020 monthly means); WHO Ambient Air Quality Database, June 2026 update (V8); SatPM2.5 satellite-derived annual PM2.5 (V6.GL.02.04); Human Development Index (HDR 2025, HDI 2023); EF English Proficiency Index 2024 (band); Walkability and transit ratings (editorial); Passport Index dataset (visa requirements, 199 passports × 199 destinations); WhereNext city cost estimates 2026 (city pages); Regional Price Parities by metropolitan area, 2024 (all items).

HTML page: https://nostos.navoy.io/top-10/cleanest-air