What is the air quality trend in Ubon Ratchathani?

Over the past 13 days, Ubon Ratchathani had an average AQI of 49 based on station measurements. The worst day was 2026-05-27 with AQI 74.

How is Ubon Ratchathani air quality measured?

Air quality in Ubon Ratchathani 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 Ubon Ratchathani, Thailand

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

51h

PM2.5 Station

51h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	49	37–56	12.5 µg/m³	3h	1
2026-05-27	74	53–84	22.8 µg/m³	4h	1
2026-05-26	52	44–59	13.4 µg/m³	4h	1
2026-05-25	36	18–50	8.7 µg/m³	5h	1
2026-05-24	47	38–56	11.5 µg/m³	4h	1
2026-05-23	71	52–83	21.7 µg/m³	5h	1
2026-05-22	60	55–62	16.5 µg/m³	4h	1
2026-05-21	44	33–56	11.2 µg/m³	2h	1
2026-05-20	42	31–54	10.3 µg/m³	4h	1
2026-05-19	35	23–55	8.5 µg/m³	5h	1
2026-05-18	41	28–61	10.5 µg/m³	3h	1
2026-05-17	47	30–71	12.2 µg/m³	5h	1
2026-05-16	41	38–45	9.8 µg/m³	3h	1

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