What is the air quality trend in Bắc Từ Liêm?

Over the past 15 days, Bắc Từ Liêm had an average AQI of 66 based on station measurements. The worst day was 2026-05-31 with AQI 111.

How is Bắc Từ Liêm air quality measured?

Air quality in Bắc Từ Liêm 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 Bắc Từ Liêm, Vietnam

Name: Bắc Từ Liêm Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Bắc Từ Liêm, Vietnam.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-08	29	14–65	7.3 µg/m³	9.7	23h	3
2026-06-07	37	6–128	10.3 µg/m³	13.7	24h	3
2026-06-06	48	18–97	13.5 µg/m³	16.6	24h	3
2026-06-05	79	62–129	25.2 µg/m³	30.0	24h	3
2026-06-04	77	18–172	27.6 µg/m³	32.3	24h	2
2026-06-03	75	35–158	23.9 µg/m³	28.6	24h	3
2026-06-02	73	51–108	22.7 µg/m³	27.5	24h	3
2026-06-01	72	53–109	21.9 µg/m³	25.7	21h	3
2026-05-31	111	67–153	39.3 µg/m³	45.8	24h	3
2026-05-30	70	48–88	21.0 µg/m³	24.9	24h	3
2026-05-29	108	50–176	42.6 µg/m³	56.0	24h	3
2026-05-28	42	22–59	10.4 µg/m³	13.3	24h	3
2026-05-27	53	10–114	15.8 µg/m³	20.5	23h	3
2026-05-26	65	22–165	21.9 µg/m³	27.3	24h	3
2026-05-25	59	59–59	16.0 µg/m³	21.7	1h	2

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