Most polluted cities in Nan, Thailand

0 measured cities, last 30 days.

Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.

No city has enough measurements for this window yet.

Low1–3

Moderate4–6

High7–9

Very high10

The UK's Daily Air Quality Index (1 to 10), PM2.5 bands. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Use this board

SmogRank, most polluted cities in Nan, Thailand, PM2.5, last 30 days to 2 Oct 2026, 04:00 UTC, smogrank.com/th/region/nan?w=30d.

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.

Updated 2026-10-02 04:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the UK DAQI PM2.5 sub-index.