What is the air quality trend in Muar?

Over the past 8 days, Muar had an average AQI of 78 based on station measurements. The worst day was 2026-09-05 with AQI 128.

How is Muar air quality measured?

Air quality in Muar 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 Muar, Malaysia

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

Historical PM2.5 and AQI trend from monitoring stations near Muar, Malaysia.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	128	54–163	51.3 µg/m³	11h	3
2026-09-04	83	22–186	31.0 µg/m³	24h	4
2026-09-03	71	28–159	22.8 µg/m³	24h	4
2026-09-02	86	30–199	33.4 µg/m³	23h	3
2026-09-01	76	27–165	25.7 µg/m³	24h	3
2026-08-31	53	14–93	14.8 µg/m³	24h	4
2026-08-30	64	26–193	22.2 µg/m³	24h	4
2026-08-29	68	25–162	23.2 µg/m³	9h	3

Back to Muar Air Quality