What is the air quality trend in Hai Bà Trưng?

Over the past 15 days, Hai Bà Trưng had an average AQI of 63 based on station measurements. The worst day was 2026-05-29 with AQI 118.

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.

145

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	118	55–173	48.2 µg/m³	66.2	15h	3
2026-05-28	44	23–62	11.0 µg/m³	15.4	24h	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	59	41–92	16.4 µg/m³	23.0	24h	2
2026-05-20	48	30–66	12.0 µg/m³	14.6	24h	2
2026-05-19	41	10–61	10.1 µg/m³	13.2	24h	2
2026-05-18	73	37–408	31.5 µg/m³	36.2	24h	2
2026-05-17	51	24–82	13.8 µg/m³	17.0	24h	2
2026-05-16	52	15–79	14.0 µg/m³	18.9	24h	2
2026-05-15	73	62–91	22.4 µg/m³	30.6	9h	2

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