What is the air quality trend in Kajang?

Over the past 7 days, Kajang had an average AQI of 181 based on station measurements. The worst day was 2026-10-14 with AQI 201.

How is Kajang air quality measured?

Air quality in Kajang 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 Kajang, Malaysia

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

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

164

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 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	177	160–199	106.6 µg/m³	122.6	23h	2
2026-10-19	182	154–211	115.3 µg/m³	132.0	24h	2
2026-10-18	164	109–184	89.2 µg/m³	102.8	24h	2
2026-10-17	175	143–197	102.1 µg/m³	118.0	24h	2
2026-10-16	175	128–204	103.8 µg/m³	121.1	24h	2
2026-10-15	195	144–239	130.8 µg/m³	153.0	24h	1
2026-10-14	201	153–285	134.0 µg/m³	158.3	24h	1

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