What is the air quality trend in Phaya Thai?

Over the past 8 days, Phaya Thai had an average AQI of 99 based on station measurements. The worst day was with AQI .

How is Phaya Thai air quality measured?

Air quality in Phaya Thai 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 Phaya Thai, Thailand

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

113h · 123 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	86	70–115	28.4 µg/m³	30.9	20h	128
2026-04-09	91	69–230	35.5 µg/m³	40.7	19h	102
2026-04-08	103	10–122	36.5 µg/m³	44.9	11h	103
2026-04-07	109	90–152	38.7 µg/m³	44.7	24h	125
2026-04-06	93	15–109	32.4 µg/m³	39.2	19h	108
2026-04-05	115	115–115	41.0 µg/m³	48.0	1h	1
2026-04-04	101	96–106	35.4 µg/m³	42.1	15h	116
2026-04-03	94	91–98	32.5 µg/m³	38.1	4h	116

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