What is the air quality trend in Hà Đông?

Over the past 7 days, Hà Đông had an average AQI of 62 based on station measurements. The worst day was 2026-07-21 with AQI 118.

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.

144

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	118	78–164	43.3 µg/m³	43.9	23h	2
2026-07-20	88	31–156	30.5 µg/m³	30.8	24h	2
2026-07-19	44	17–91	11.8 µg/m³	11.9	24h	2
2026-07-18	18	9–36	4.3 µg/m³	4.6	24h	2
2026-07-17	36	17–62	8.9 µg/m³	9.1	24h	2
2026-07-16	57	26–98	16.2 µg/m³	16.7	24h	2
2026-07-15	75	57–145	23.2 µg/m³	23.6	24h	2

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