What is the air quality trend in Samut Songkhram?

Over the past 2 days, Samut Songkhram had an average AQI of 75 based on station measurements. The worst day was 2026-07-20 with AQI 77.

How is Samut Songkhram air quality measured?

Air quality in Samut Songkhram is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Samut Songkhram, Thailand

Name: Samut Songkhram Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Samut Songkhram, Thailand.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

12h

PM2.5 Station

12h · 2 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	73	54–128	22.3 µg/m³	10h	1
2026-07-20	77	74–80	24.5 µg/m³	2h	1

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