What is the air quality trend in Yên Phụ?

Over the past 7 days, Yên Phụ had an average AQI of 60 based on station measurements. The worst day was 2026-05-22 with AQI 74.

How is Yên Phụ air quality measured?

Air quality in Yên Phụ 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 Yên Phụ, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Yên Phụ, Vietnam.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	40	20–58	9.8 µg/m³	13.1	23h	3
2026-05-27	53	9–131	15.8 µg/m³	21.2	23h	3
2026-05-26	64	24–160	20.8 µg/m³	27.5	24h	3
2026-05-25	65	8–173	25.1 µg/m³	32.8	24h	2
2026-05-24	66	16–164	23.1 µg/m³	32.2	24h	2
2026-05-23	62	33–136	17.9 µg/m³	24.0	24h	2
2026-05-22	74	51–103	23.0 µg/m³	30.9	22h	2

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