What is the air quality trend in Bắc Từ Liêm?

Over the past 15 days, Bắc Từ Liêm had an average AQI of 103 based on station measurements. The worst day was 2026-10-14 with AQI 154.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	71	46–86	21.6 µg/m³	27.8	21h	3
2026-10-19	57	46–99	15.1 µg/m³	20.8	24h	3
2026-10-18	70	57–98	21.0 µg/m³	27.8	24h	3
2026-10-17	81	53–133	25.9 µg/m³	32.5	24h	3
2026-10-16	95	61–151	32.4 µg/m³	39.1	24h	3
2026-10-15	119	90–158	43.2 µg/m³	49.8	24h	3
2026-10-14	154	125–172	65.9 µg/m³	79.2	24h	4
2026-10-13	120	80–154	43.4 µg/m³	54.5	24h	4
2026-10-12	110	86–170	41.9 µg/m³	52.2	24h	4
2026-10-11	140	87–165	56.3 µg/m³	66.9	24h	4
2026-10-10	146	122–172	58.9 µg/m³	70.9	24h	4
2026-10-09	109	59–157	39.0 µg/m³	47.4	24h	4
2026-10-08	113	65–151	39.9 µg/m³	51.8	24h	4
2026-10-07	76	27–135	24.9 µg/m³	34.7	24h	4
2026-10-06	95	91–99	32.8 µg/m³	49.6	2h	4

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