What is the air quality trend in Cheras?

Over the past 8 days, Cheras had an average AQI of 178 based on station measurements. The worst day was 2026-10-14 with AQI 194.

How is Cheras air quality measured?

Air quality in Cheras 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 Cheras, Malaysia

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

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

161

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 4 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	158	105–176	72.1 µg/m³	84.1	22h	3
2026-10-19	186	155–208	121.7 µg/m³	132.7	24h	3
2026-10-18	172	156–185	96.2 µg/m³	105.4	24h	3
2026-10-17	167	93–196	93.8 µg/m³	103.9	24h	3
2026-10-16	178	159–216	106.4 µg/m³	117.7	24h	3
2026-10-15	189	151–229	123.8 µg/m³	144.1	24h	2
2026-10-14	194	152–269	126.2 µg/m³	148.4	24h	2
2026-10-13	186	186–186	123.0 µg/m³	146.9	2h	2

Back to Cheras Air Quality