What is the air quality trend in Sepang?

Over the past 7 days, Sepang had an average AQI of 119 based on station measurements. The worst day was 2026-10-14 with AQI 135.

How is Sepang air quality measured?

Air quality in Sepang 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 Sepang, Malaysia

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

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

135

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 5 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	120	76–224	50.7 µg/m³	129.1	21h	10
2026-10-19	110	63–173	42.6 µg/m³	131.4	24h	10
2026-10-18	114	56–159	40.9 µg/m³	102.2	24h	8
2026-10-17	120	64–165	45.7 µg/m³	119.9	24h	9
2026-10-16	118	66–188	49.1 µg/m³	121.3	24h	9
2026-10-15	122	75–203	50.6 µg/m³	153.1	24h	10
2026-10-14	135	80–193	60.3 µg/m³	158.3	24h	9

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