What is the air quality trend in Phetchaburi?

Over the past 21 days, Phetchaburi had an average AQI of 57 based on station measurements. The worst day was 2026-08-28 with AQI 76.

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

422h

PM2.5 Station

422h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	68	36–164	22.4 µg/m³	11h	2
2026-09-04	61	15–186	20.9 µg/m³	20h	2
2026-09-03	63	19–185	24.6 µg/m³	24h	2
2026-09-02	63	17–161	19.5 µg/m³	22h	2
2026-09-01	46	24–73	12.0 µg/m³	22h	2
2026-08-31	51	22–74	13.8 µg/m³	20h	2
2026-08-30	68	22–333	28.4 µg/m³	21h	2
2026-08-29	65	10–158	21.1 µg/m³	20h	2
2026-08-28	76	24–159	25.4 µg/m³	22h	2
2026-08-27	56	21–163	16.7 µg/m³	21h	2
2026-08-26	48	13–106	13.1 µg/m³	19h	2
2026-08-25	54	8–92	15.6 µg/m³	20h	2
2026-08-24	53	13–97	15.4 µg/m³	21h	2
2026-08-23	57	23–153	16.2 µg/m³	22h	2
2026-08-22	60	8–191	21.8 µg/m³	21h	2
2026-08-21	46	7–168	14.3 µg/m³	21h	2
2026-08-20	48	17–171	15.1 µg/m³	21h	2
2026-08-19	50	9–112	14.0 µg/m³	23h	2
2026-08-18	61	16–129	17.7 µg/m³	20h	1
2026-08-17	53	17–83	14.3 µg/m³	23h	2
2026-08-16	53	21–86	13.9 µg/m³	8h	2

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