What is the air quality trend in Muar?

Over the past 8 days, Muar had an average AQI of 94 based on station measurements. The worst day was 2026-10-17 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.

114

Current AQI
Unhealthy for sensitive groups CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

160h

PM2.5 Station

160h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	76	45–155	24.2 µg/m³	20h	6
2026-10-19	80	31–161	26.6 µg/m³	22h	4
2026-10-18	86	32–172	30.0 µg/m³	24h	5
2026-10-17	128	56–500	66.2 µg/m³	23h	6
2026-10-16	90	34–188	34.2 µg/m³	22h	5
2026-10-15	92	52–160	31.3 µg/m³	24h	5
2026-10-14	100	43–180	37.8 µg/m³	24h	4
2026-10-13	106	106–106	37.6 µg/m³	1h	3

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