What is the air quality trend in Hà Đông?

Over the past 8 days, Hà Đông had an average AQI of 112 based on station measurements. The worst day was 2026-10-14 with AQI 166.

How is Hà Đông air quality measured?

Air quality in Hà Đông 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 Hà Đông, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Hà Đông, Vietnam.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	83	53–127	27.1 µg/m³	27.8	20h	3
2026-10-19	69	51–99	20.6 µg/m³	21.3	24h	3
2026-10-18	76	43–120	23.8 µg/m³	24.5	24h	3
2026-10-17	94	52–156	31.9 µg/m³	32.6	24h	3
2026-10-16	114	64–169	42.3 µg/m³	43.8	24h	3
2026-10-15	141	101–165	57.4 µg/m³	59.5	24h	3
2026-10-14	166	128–198	86.2 µg/m³	88.9	24h	4
2026-10-13	160	159–162	73.3 µg/m³	75.3	3h	4

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