What is the air quality trend in Dumai?

Over the past 10 days, Dumai had an average AQI of 29 based on station measurements. The worst day was 2026-08-28 with AQI 51.

How is Dumai air quality measured?

Air quality in Dumai 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 Dumai, Indonesia

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

Historical PM2.5 and AQI trend from monitoring stations near Dumai, Indonesia.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

219h

PM2.5 Station

219h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-01	21	12–26	5.1 µg/m³	17.9	19h	1
2026-08-31	12	10–13	2.8 µg/m³	8.6	24h	1
2026-08-30	19	13–30	4.5 µg/m³	13.6	24h	1
2026-08-29	38	30–48	9.2 µg/m³	27.5	24h	1
2026-08-28	51	47–56	12.5 µg/m³	37.4	24h	1
2026-08-27	41	18–54	9.9 µg/m³	27.4	24h	1
2026-08-26	21	17–30	5.1 µg/m³	22.2	24h	1
2026-08-25	39	30–48	9.3 µg/m³	39.1	23h	1
2026-08-24	37	22–48	8.9 µg/m³	30.8	24h	1
2026-08-23	20	20–21	5.0 µg/m³	15.7	9h	1

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