What is the air quality trend in Phetchaburi?

Over the past 15 days, Phetchaburi had an average AQI of 67 based on station measurements. The worst day was 2026-10-12 with AQI 86.

How is Phetchaburi air quality measured?

Air quality in Phetchaburi 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 Phetchaburi, Thailand

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

270h

PM2.5 Station

270h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	67	67–67	19.5 µg/m³	1h	2
2026-10-20	60	16–147	17.6 µg/m³	22h	2
2026-10-19	59	13–196	22.4 µg/m³	16h	2
2026-10-18	84	22–249	33.2 µg/m³	23h	2
2026-10-17	70	34–164	22.1 µg/m³	19h	2
2026-10-16	82	28–155	27.4 µg/m³	20h	2
2026-10-15	72	13–151	22.1 µg/m³	18h	2
2026-10-14	75	48–121	23.3 µg/m³	13h	1
2026-10-13	85	30–241	35.0 µg/m³	18h	2
2026-10-12	86	52–217	32.3 µg/m³	20h	2
2026-10-11	63	18–134	18.3 µg/m³	18h	1
2026-10-10	61	18–131	17.7 µg/m³	20h	2
2026-10-09	70	25–173	24.1 µg/m³	20h	2
2026-10-08	41	17–133	10.9 µg/m³	22h	2
2026-10-07	37	6–167	11.6 µg/m³	20h	2

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