SmogRank / World / Laos / May 2024

Most polluted cities in Laos, May 2024

2 cities in Laos ranked by their average PM2.5 over the 31 days. Worst: Ban Houakhoua at 65.5 µg/m³, #15 of 2,330 cities in the world. Cleanest: Pakxan at 25.8. A city needs measurements on 70% of the days to be ranked.

  1. 1Ban HouakhouaBokeo
    158
  2. 2PakxanBolikhamsai
    82
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). 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 2024 · Laos now

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SmogRank, most polluted cities in Laos, PM2.5, May 2024, smogrank.com/la/history/2024-05 (accessed 2 Oct 2026).

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