What is the air quality trend in Cao Bằng?

Over the past 8 days, Cao Bằng had an average AQI of 51 based on station measurements. The worst day was 2026-06-04 with AQI 61.

How is Cao Bằng air quality measured?

Air quality in Cao Bằng 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 Cao Bằng, Vietnam

Name: Cao Bằng Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Cao Bằng, Vietnam.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

135h

PM2.5 Station

135h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	34	8–79	8.6 µg/m³	18h	2
2026-06-07	54	25–101	15.0 µg/m³	17h	2
2026-06-06	49	28–82	12.4 µg/m³	22h	2
2026-06-05	49	21–73	12.9 µg/m³	18h	2
2026-06-04	61	18–153	18.9 µg/m³	19h	2
2026-06-03	58	21–137	16.5 µg/m³	19h	2
2026-06-02	60	13–93	16.9 µg/m³	21h	2
2026-06-01	47	47–47	11.2 µg/m³	1h	2

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