What is the air quality trend in Nakhon Si Thammarat?

Over the past 18 days, Nakhon Si Thammarat had an average AQI of 85 based on station measurements. The worst day was with AQI .

How is Nakhon Si Thammarat air quality measured?

Air quality in Nakhon Si Thammarat 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 Nakhon Si Thammarat, Thailand

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

315h · 4 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	92	86–107	31.7 µg/m³	34.9	12h	4
2026-04-10	87	71–98	29.1 µg/m³	31.9	24h	4
2026-04-09	89	60–101	30.3 µg/m³	33.7	15h	4
2026-04-08	109	99–133	38.9 µg/m³	43.3	9h	3
2026-04-07	112	89–146	39.8 µg/m³	44.8	24h	3
2026-04-06	111	97–120	39.6 µg/m³	45.0	17h	3
2026-04-05	82	82–82	27.0 µg/m³	29.9	1h	1
2026-04-04	112	107–120	40.1 µg/m³	46.6	15h	4
2026-04-03	101	69–128	35.1 µg/m³	39.7	24h	4
2026-04-02	74	67–81	23.1 µg/m³	24.8	20h	4
2026-04-01	74	52–161	23.6 µg/m³	26.5	22h	3
2026-03-31	66	40–82	19.5 µg/m³	23.6	21h	3
2026-03-30	75	49–94	23.5 µg/m³	25.8	11h	3
2026-03-29	72	57–100	21.9 µg/m³	23.7	23h	4
2026-03-28	70	54–122	21.2 µg/m³	23.0	23h	4
2026-03-27	84	48–109	27.9 µg/m³	30.8	24h	4
2026-03-26	75	49–92	23.6 µg/m³	26.2	24h	4
2026-03-25	51	46–54	12.3 µg/m³	13.3	6h	4

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