What is the air quality trend in Thị Trấn Tiên Yên?

Over the past 8 days, Thị Trấn Tiên Yên had an average AQI of 61 based on station measurements. The worst day was 2026-09-04 with AQI 69.

How is Thị Trấn Tiên Yên air quality measured?

Air quality in Thị Trấn Tiên Yên 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 Thị Trấn Tiên Yên, Vietnam

Name: Thị Trấn Tiên Yên Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Thị Trấn Tiên Yên, Vietnam.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

88h

PM2.5 Station

88h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	66	23–151	20.5 µg/m³	10h	1
2026-09-04	69	25–185	25.1 µg/m³	13h	1
2026-09-03	68	18–151	20.9 µg/m³	9h	2
2026-09-02	66	14–176	23.6 µg/m³	14h	1
2026-09-01	53	6–137	16.3 µg/m³	16h	1
2026-08-31	47	15–124	12.9 µg/m³	13h	1
2026-08-30	59	30–153	17.6 µg/m³	10h	1
2026-08-29	63	34–89	19.0 µg/m³	3h	1

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