What is the air quality trend in Ratchathewi?

Over the past 8 days, Ratchathewi had an average AQI of 32 based on station measurements. The worst day was 2026-06-01 with AQI 59.

How is Ratchathewi air quality measured?

Air quality in Ratchathewi 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 Ratchathewi, Thailand

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 20 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-08	29	15–46	6.9 µg/m³	6.0	23h	19
2026-06-07	45	7–185	17.2 µg/m³	17.4	24h	15
2026-06-06	26	3–207	15.0 µg/m³	14.7	24h	10
2026-06-05	14	6–40	3.3 µg/m³	2.5	24h	18
2026-06-04	23	4–169	9.1 µg/m³	8.3	24h	15
2026-06-03	23	7–51	5.6 µg/m³	3.4	24h	17
2026-06-02	43	18–72	11.1 µg/m³	5.4	24h	23
2026-06-01	59	59–59	15.7 µg/m³	8.4	1h	24

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