What is the air quality trend in Ratchaburi?

Over the past 14 days, Ratchaburi had an average AQI of 81 based on station measurements. The worst day was with AQI .

How is Ratchaburi air quality measured?

Air quality in Ratchaburi 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 Ratchaburi, Thailand

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

259h · 4 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	101	95–106	35.5 µg/m³	45.9	6h	5
2026-04-10	78	68–95	25.1 µg/m³	30.8	24h	5
2026-04-09	76	60–87	24.2 µg/m³	31.7	17h	4
2026-04-08	96	89–99	33.3 µg/m³	44.1	9h	5
2026-04-07	87	80–107	29.3 µg/m³	37.8	24h	5
2026-04-06	88	75–100	29.6 µg/m³	38.8	18h	5
2026-04-04	92	83–108	31.4 µg/m³	40.9	15h	5
2026-04-03	78	58–84	25.1 µg/m³	31.5	24h	5
2026-04-02	73	53–102	22.7 µg/m³	29.7	24h	4
2026-04-01	81	57–119	26.2 µg/m³	38.7	23h	3
2026-03-31	71	53–106	21.8 µg/m³	34.5	22h	2
2026-03-30	66	52–81	19.4 µg/m³	26.9	13h	2
2026-03-29	69	53–87	20.7 µg/m³	25.8	24h	3
2026-03-28	82	75–90	26.7 µg/m³	34.6	16h	4

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