What is the air quality trend in Pak Chong?

Over the past 8 days, Pak Chong had an average AQI of 38 based on station measurements. The worst day was 2026-07-18 with AQI 52.

How is Pak Chong air quality measured?

Air quality in Pak Chong 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 Pak Chong, Thailand

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 11 stations

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	41	24–55	10.0 µg/m³	11.6	22h	13
2026-07-20	46	31–67	11.8 µg/m³	13.7	24h	12
2026-07-19	47	29–64	11.8 µg/m³	13.9	24h	13
2026-07-18	52	40–67	13.3 µg/m³	15.6	24h	13
2026-07-17	39	24–58	9.5 µg/m³	11.2	24h	13
2026-07-16	23	15–29	5.6 µg/m³	6.5	24h	12
2026-07-15	22	13–36	5.2 µg/m³	6.1	24h	12
2026-07-14	34	34–34	8.2 µg/m³	9.5	1h	12

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