What is the air quality trend in Prachuap Khiri Khan?

Over the past 8 days, Prachuap Khiri Khan had an average AQI of 50 based on station measurements. The worst day was 2026-10-17 with AQI 78.

How is Prachuap Khiri Khan air quality measured?

Air quality in Prachuap Khiri Khan 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 Prachuap Khiri Khan, Thailand

Name: Prachuap Khiri Khan Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Prachuap Khiri Khan, Thailand.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	9	3–22	2.1 µg/m³	2.4	9h	2
2026-10-20	14	2–31	3.5 µg/m³	3.8	24h	2
2026-10-19	29	1–75	7.5 µg/m³	8.3	23h	2
2026-10-18	75	53–129	23.4 µg/m³	26.1	24h	2
2026-10-17	78	53–153	24.7 µg/m³	27.9	24h	2
2026-10-16	68	38–143	20.3 µg/m³	22.5	24h	2
2026-10-15	70	30–137	21.5 µg/m³	23.4	24h	2
2026-10-14	58	9–112	17.6 µg/m³	20.0	15h	2

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