What is the air quality trend in Surin?

Over the past 8 days, Surin had an average AQI of 233 based on station measurements. The worst day was 2026-05-24 with AQI 291.

How is Surin air quality measured?

Air quality in Surin 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 Surin, Thailand

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

84h

PM2.5 Station

84h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	263	12–392	227.6 µg/m³	227.6	9h	1
2026-05-27	256	6–428	217.7 µg/m³	218.6	15h	1
2026-05-26	260	145–363	198.2 µg/m³	201.5	11h	1
2026-05-25	263	113–417	213.4 µg/m³	213.7	13h	1
2026-05-24	291	159–373	239.5 µg/m³	242.9	7h	1
2026-05-23	202	4–438	155.0 µg/m³	156.8	16h	1
2026-05-22	201	4–436	165.9 µg/m³	166.7	11h	1
2026-05-21	130	7–253	102.4 µg/m³	102.4	2h	1

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