What is the air quality trend in Phra Nakhon?

Over the past 7 days, Phra Nakhon had an average AQI of 19 based on station measurements. The worst day was 2026-08-04 with AQI 25.

How is Phra Nakhon air quality measured?

Air quality in Phra Nakhon 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 Phra Nakhon, Thailand

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 12 stations

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-07	15	6–38	3.7 µg/m³	3.2	24h	17
2026-08-06	19	5–62	4.6 µg/m³	3.8	24h	20
2026-08-05	13	3–32	3.2 µg/m³	2.1	24h	19
2026-08-04	25	6–43	5.9 µg/m³	2.9	24h	25
2026-08-03	24	8–52	5.7 µg/m³	2.5	24h	29
2026-08-02	19	10–36	4.6 µg/m³	3.4	24h	23
2026-08-01	19	6–36	4.6 µg/m³	2.7	23h	19

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