What is the air quality trend in Chai Nat?

Over the past 7 days, Chai Nat had an average AQI of 39 based on station measurements. The worst day was 2026-10-18 with AQI 72.

How is Chai Nat air quality measured?

Air quality in Chai Nat 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 Chai Nat, Thailand

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

153h

PM2.5 Station

153h · 18 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	35	25–48	8.4 µg/m³	20.2	15h	18
2026-10-19	37	21–69	9.2 µg/m³	18.8	24h	19
2026-10-18	72	63–88	22.2 µg/m³	27.8	24h	17
2026-10-17	57	35–78	15.8 µg/m³	18.6	24h	18
2026-10-16	33	29–48	8.0 µg/m³	16.7	22h	19
2026-10-15	27	21–34	6.5 µg/m³	12.8	24h	17
2026-10-14	18	15–23	4.4 µg/m³	16.3	20h	16

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