What is the air quality trend in Phetchaburi?

Over the past 15 days, Phetchaburi had an average AQI of 54 based on station measurements. The worst day was 2026-07-14 with AQI 73.

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
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

241h

PM2.5 Station

241h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	59	22–92	17.3 µg/m³	16h	2
2026-07-20	66	26–119	20.0 µg/m³	16h	2
2026-07-19	60	8–114	17.4 µg/m³	17h	2
2026-07-18	52	24–89	14.6 µg/m³	10h	2
2026-07-17	54	21–99	15.1 µg/m³	15h	2
2026-07-16	55	30–95	15.0 µg/m³	20h	2
2026-07-15	51	3–76	14.2 µg/m³	19h	2
2026-07-14	73	35–164	24.0 µg/m³	17h	2
2026-07-13	46	15–77	12.4 µg/m³	21h	2
2026-07-12	49	26–72	13.1 µg/m³	20h	2
2026-07-11	59	25–177	19.1 µg/m³	18h	2
2026-07-10	62	25–128	17.9 µg/m³	15h	2
2026-07-09	57	30–103	15.9 µg/m³	19h	2
2026-07-08	46	8–89	11.8 µg/m³	17h	2
2026-07-07	30	30–30	7.2 µg/m³	1h	1

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