SmogRank / Countries / Luxembourg / May 2026

Most polluted cities in Luxembourg, May 2026

2 cities in Luxembourg ranked by their average PM2.5 over the 31 days. Worst: Luxembourg at 7.7 µg/m³, #1,047 of 2,243 cities in the world. Cleanest: Esch-sur-Alzette at 6.0. A city needs measurements on 70% of the days to be ranked.

  1. 1LuxembourgLuxembourg
    7.7
  2. 2Esch-sur-AlzetteEsch-sur-Alzette
    6.0
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, May 2026 · Luxembourg now