What is the air quality trend in Bắc Từ Liêm?

Over the past 20 days, Bắc Từ Liêm had an average AQI of 126 based on station measurements. The worst day was with AQI .

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.

107

Current AQI
Unhealthy for sensitive groups

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

384h

PM2.5 Trend

384h · 3 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-15	99	83–119	34.7 µg/m³	67.6	12h	4
2026-04-14	112	80–159	40.8 µg/m³	75.0	24h	5
2026-04-13	119	92–156	44.3 µg/m³	71.4	16h	4
2026-04-12	150	105–174	64.4 µg/m³	82.7	24h	3
2026-04-11	156	114–173	72.4 µg/m³	93.3	24h	3
2026-04-10	135	102–169	50.8 µg/m³	75.3	24h	4
2026-04-09	131	111–151	47.7 µg/m³	70.2	15h	3
2026-04-08	125	97–152	45.2 µg/m³	60.8	9h	3
2026-04-07	132	95–169	54.2 µg/m³	70.4	24h	3
2026-04-06	169	155–192	89.8 µg/m³	121.8	17h	2
2026-04-04	104	73–151	36.3 µg/m³	54.0	15h	3
2026-04-03	143	100–165	55.2 µg/m³	87.8	24h	4
2026-04-02	145	84–182	60.8 µg/m³	98.9	21h	3
2026-04-01	97	37–155	33.6 µg/m³	62.0	22h	4
2026-03-31	118	44–172	47.4 µg/m³	73.9	21h	4
2026-03-30	118	84–159	43.8 µg/m³	66.6	10h	4
2026-03-29	130	67–192	51.7 µg/m³	76.0	23h	4
2026-03-28	119	94–148	43.0 µg/m³	60.2	23h	3
2026-03-27	111	83–154	39.4 µg/m³	57.2	24h	3
2026-03-26	116	102–130	41.5 µg/m³	57.4	12h	3

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