What is the air quality trend in Khon Kaen?

Over the past 15 days, Khon Kaen had an average AQI of 44 based on station measurements. The worst day was 2026-09-04 with AQI 86.

How is Khon Kaen air quality measured?

Air quality in Khon Kaen 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 Khon Kaen, Thailand

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	35	6–82	9.7 µg/m³	11.1	15h	2
2026-09-04	86	3–224	50.2 µg/m³	54.9	24h	2
2026-09-03	64	6–190	28.0 µg/m³	31.4	24h	2
2026-09-02	54	5–184	25.2 µg/m³	28.4	24h	2
2026-09-01	48	6–152	15.1 µg/m³	16.9	24h	2
2026-08-31	66	1–165	24.6 µg/m³	27.5	24h	2
2026-08-30	59	4–182	25.5 µg/m³	29.1	24h	2
2026-08-29	45	2–152	14.1 µg/m³	15.6	24h	2
2026-08-28	27	3–75	7.2 µg/m³	9.3	24h	2
2026-08-27	19	1–58	4.8 µg/m³	6.2	24h	2
2026-08-26	47	2–80	13.1 µg/m³	15.0	24h	2
2026-08-25	43	5–101	12.2 µg/m³	14.5	24h	2
2026-08-24	22	4–63	5.5 µg/m³	7.8	24h	2
2026-08-23	26	4–93	7.4 µg/m³	9.1	24h	2
2026-08-22	29	5–98	9.3 µg/m³	10.8	9h	2

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