SmogRank / Countries / Luxembourg / April 2026

Most polluted cities in Luxembourg, April 2026

2 cities in Luxembourg ranked by their average PM2.5 over the 30 days. Worst: Luxembourg at 7.5 µg/m³, #1,307 of 2,283 cities in the world. Cleanest: Esch-sur-Alzette at 6.4. A city needs measurements on 70% of the days to be ranked.

  1. 1LuxembourgLuxembourg
    7.5
  2. 2Esch-sur-AlzetteEsch-sur-Alzette
    6.4
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, April 2026 · Luxembourg now