What is the air quality trend in Hai Bà Trưng?

Over the past 8 days, Hai Bà Trưng had an average AQI of 63 based on station measurements. The worst day was 2026-05-21 with AQI 80.

How is Hai Bà Trưng air quality measured?

Air quality in Hai Bà Trưng 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 Hai Bà Trưng, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Hai Bà Trưng, Vietnam.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	44	23–62	11.0 µg/m³	15.5	22h	3
2026-05-27	53	10–119	15.8 µg/m³	22.2	23h	3
2026-05-26	66	25–169	22.7 µg/m³	31.8	24h	3
2026-05-25	65	8–173	24.6 µg/m³	34.1	24h	2
2026-05-24	66	16–167	23.8 µg/m³	35.0	24h	2
2026-05-23	62	34–135	18.0 µg/m³	25.4	24h	2
2026-05-22	75	51–103	23.4 µg/m³	33.1	22h	2
2026-05-21	80	68–92	26.0 µg/m³	30.7	2h	2

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