SmogRank / World / Asia / Thailand / Maha Sarakham

Most polluted cities in Maha Sarakham, Thailand

1 measured city, this year; 1 above the WHO annual guideline. Worst: Maha Sarakham at 22.6 µg/m³, #430 in the world.

Sakon Nakhon: 1 measured cityKhon Kaen: 1 measured cityKalasin: 1 measured cityMaha Sarakham: 1 measured cityRoi Et: 1 measured cityNakhon Ratchasima: 1 measured cityBuriram: 1 measured citySurin: 1 measured cityUdon Thani: 1 measured city#1 Maha Sarakham: 22.6 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
  1. 1Maha Sarakham 22.64.5×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities in Maha Sarakham, Thailand, PM2.5, this year to 2 Oct 2026, 04:00 UTC, smogrank.com/th/region/maha-sarakham?w=year.

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Updated 2026-10-02 04:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors in µg/m³.