What is the air quality trend in Hulu Langat?

Over the past 8 days, Hulu Langat had an average AQI of 182 based on station measurements. The worst day was 2026-10-14 with AQI 201.

How is Hulu Langat air quality measured?

Air quality in Hulu Langat 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 Hulu Langat, Malaysia

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

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

159

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	163	123–182	80.6 µg/m³	93.8	22h	2
2026-10-19	186	155–212	121.9 µg/m³	134.5	24h	2
2026-10-18	172	153–186	96.0 µg/m³	106.2	24h	2
2026-10-17	170	104–197	97.0 µg/m³	108.5	24h	2
2026-10-16	179	157–215	107.5 µg/m³	120.4	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
2026-10-13	195	195–195	140.3 µg/m³	166.1	1h	1

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