What is the air quality trend in Klang?

Over the past 7 days, Klang had an average AQI of 137 based on station measurements. The worst day was 2026-10-15 with AQI 143.

How is Klang air quality measured?

Air quality in Klang 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 Klang, Malaysia

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

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

152

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 11 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	134	93–176	52.9 µg/m³	85.7	22h	9
2026-10-19	136	90–173	54.7 µg/m³	117.9	24h	9
2026-10-18	136	85–165	52.8 µg/m³	94.6	24h	9
2026-10-17	133	67–183	55.8 µg/m³	96.1	24h	10
2026-10-16	140	89–188	59.1 µg/m³	104.4	24h	9
2026-10-15	143	93–211	62.6 µg/m³	117.9	24h	9
2026-10-14	141	102–196	61.4 µg/m³	118.4	23h	8

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