What is the air quality trend in Klang?

Over the past 14 days, Klang had an average AQI of 90 based on station measurements. The worst day was 2026-08-25 with AQI 142.

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.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

21h

PM2.5 Station

21h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	72	64–79	21.9 µg/m³	2h	2
2026-09-04	66	63–69	19.2 µg/m³	2h	2
2026-09-03	75	75–75	23.7 µg/m³	1h	2
2026-09-02	87	87–87	29.2 µg/m³	1h	2
2026-09-01	89	89–89	30.4 µg/m³	1h	3
2026-08-31	64	61–68	18.5 µg/m³	2h	2
2026-08-30	66	66–66	19.3 µg/m³	1h	3
2026-08-29	117	117–117	41.9 µg/m³	1h	4
2026-08-28	92	91–92	31.4 µg/m³	2h	3
2026-08-27	84	79–88	27.6 µg/m³	2h	2
2026-08-26	87	87–87	29.2 µg/m³	1h	1
2026-08-25	142	142–142	52.3 µg/m³	1h	4
2026-08-24	127	102–152	46.9 µg/m³	2h	4
2026-08-23	94	94–95	32.6 µg/m³	2h	3

Back to Klang Air Quality