What is the air quality trend in Surin?

Over the past 8 days, Surin had an average AQI of 210 based on station measurements. The worst day was 2026-07-21 with AQI 289.

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

77h

PM2.5 Station

77h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	289	48–437	247.8 µg/m³	248.2	9h	1
2026-07-20	138	4–362	101.8 µg/m³	102.6	17h	1
2026-07-19	281	4–479	254.7 µg/m³	254.8	16h	1
2026-07-18	210	6–431	163.9 µg/m³	165.5	11h	1
2026-07-17	188	10–456	159.1 µg/m³	159.1	7h	1
2026-07-16	193	4–465	160.1 µg/m³	160.5	8h	1
2026-07-15	171	4–313	135.5 µg/m³	135.7	7h	1
2026-07-14	214	28–401	191.1 µg/m³	191.1	2h	1

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