SmogRank / Countries / Sri Lanka / 2023

Most polluted cities in Sri Lanka, 2023

1 city in Sri Lanka ranked by their average PM2.5 over the 365 days; 1 above the WHO annual guideline (5.0 µg/m³). Worst: Colombo at 18.5 µg/m³, #35 of 969 cities in the world. A city needs measurements on 70% of the days to be ranked.

  1. 1ColomboWestern Province
    18.53.7×
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, 2023 · Sri Lanka now