What is the air quality trend in Phrae?

Over the past 16 days, Phrae had an average AQI of 176 based on station measurements. The worst day was with AQI .

How is Phrae air quality measured?

Air quality in Phrae 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 Phrae, Thailand

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

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

160

Current AQI
Unhealthy

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

304h · 18 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	150	110–174	67.0 µg/m³	78.5	20h	18
2026-04-09	143	74–174	65.1 µg/m³	73.7	18h	16
2026-04-08	186	166–255	117.5 µg/m³	132.9	10h	17
2026-04-07	175	166–187	101.9 µg/m³	120.6	24h	18
2026-04-06	166	158–183	84.3 µg/m³	93.8	17h	19
2026-04-04	182	177–190	115.0 µg/m³	125.5	15h	18
2026-04-03	179	160–209	108.5 µg/m³	122.1	24h	18
2026-04-02	185	166–218	120.2 µg/m³	129.3	21h	17
2026-04-01	191	175–211	130.9 µg/m³	141.4	22h	15
2026-03-31	178	163–202	108.3 µg/m³	115.4	21h	13
2026-03-30	175	159–186	102.7 µg/m³	110.3	11h	14
2026-03-29	166	153–184	84.1 µg/m³	91.5	23h	19
2026-03-28	184	160–256	113.6 µg/m³	125.0	23h	19
2026-03-27	192	161–250	127.8 µg/m³	143.0	24h	18
2026-03-26	184	158–221	116.6 µg/m³	130.1	24h	19
2026-03-25	184	174–194	118.8 µg/m³	139.2	7h	17

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