SmogRank / Countries / Luxembourg / 2025

Most polluted cities in Luxembourg, 2025

1 city in Luxembourg ranked by their average PM2.5 over the 365 days; 1 above the WHO annual guideline (5.0 µg/m³). Worst: Luxembourg at 8.8 µg/m³, #1,130 of 2,131 cities in the world. A city needs measurements on 70% of the days to be ranked.

  1. 1LuxembourgLuxembourg
    8.81.8×
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, 2025 · Luxembourg now

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SmogRank, most polluted cities in Luxembourg, PM2.5, 2025, smogrank.com/lu/history/2025 (accessed 2 Oct 2026).

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