What is the air quality trend in Yan Besar?

Over the past 8 days, Yan Besar had an average AQI of 92 based on station measurements. The worst day was 2026-10-16 with AQI 106.

How is Yan Besar air quality measured?

Air quality in Yan Besar 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 Yan Besar, Malaysia

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	75	48–160	24.0 µg/m³	19.9	20h	7
2026-10-19	88	45–246	33.4 µg/m³	44.9	24h	6
2026-10-18	82	54–160	27.0 µg/m³	41.4	24h	7
2026-10-17	102	54–176	39.0 µg/m³	31.2	24h	7
2026-10-16	106	62–199	45.6 µg/m³	40.5	24h	7
2026-10-15	95	64–213	39.3 µg/m³	36.3	24h	6
2026-10-14	102	72–174	36.8 µg/m³	49.9	24h	7
2026-10-13	87	87–87	29.4 µg/m³	36.2	1h	9

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