SmogRank / World / Honduras / May 2026
Most polluted cities in Honduras, May 2026
1 city in Honduras ranked by their average PM2.5 over the 31 days. Worst: San Pedro Sula at 28.7 µg/m³, #299 of 2,522 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1San Pedro Sulalow-cost sensorsCortés Department 3
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+
Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
All cities in the world, May 2026 · Honduras now
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SmogRank, most polluted cities in Honduras, PM2.5, May 2026, smogrank.com/hn/history/2026-05 (accessed 2 Oct 2026).
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