What is the air quality trend in Klang?

Over the past 8 days, Klang had an average AQI of 129 based on station measurements. The worst day was 2026-10-13 with AQI 157.

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.

158

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 10 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	113	73–164	41.9 µg/m³	86.1	20h	12
2026-10-19	127	85–164	47.4 µg/m³	117.9	24h	12
2026-10-18	114	83–160	41.5 µg/m³	94.6	24h	12
2026-10-17	124	69–171	48.3 µg/m³	96.1	24h	11
2026-10-16	133	78–175	51.9 µg/m³	104.4	24h	11
2026-10-15	127	71–170	49.0 µg/m³	117.9	24h	11
2026-10-14	137	104–185	56.1 µg/m³	117.7	24h	11
2026-10-13	157	145–169	71.5 µg/m³	106.9	2h	10

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