SmogRank / Countries / Honduras / 2026
Most polluted cities in Honduras, 2026
1 city in Honduras ranked by their average PM2.5 so far (273 of 365 days); 1 above the WHO annual guideline (5.0 µg/m³). Worst: San Pedro Sula at 13.8 µg/m³, #363 of 2,181 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1San Pedro Sulalow-cost sensorsCortés Department 13.82.8×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+