What is the air quality trend in Bukit Timah?

Over the past 8 days, Bukit Timah had an average AQI of 186 based on station measurements. The worst day was 2026-10-15 with AQI 223.

How is Bukit Timah air quality measured?

Air quality in Bukit Timah 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 Bukit Timah, Singapore

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

Historical PM2.5 and AQI trend from monitoring stations near Bukit Timah, Singapore.

140

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 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	160	154–172	73.9 µg/m³	84.2	22h	11
2026-10-19	160	120–171	77.6 µg/m³	86.5	24h	11
2026-10-18	158	122–184	72.5 µg/m³	83.8	24h	9
2026-10-17	201	179–232	143.0 µg/m³	165.6	24h	9
2026-10-16	206	184–238	152.1 µg/m³	175.2	24h	8
2026-10-15	223	193–243	172.4 µg/m³	199.2	24h	9
2026-10-14	202	171–280	139.9 µg/m³	162.0	24h	9
2026-10-13	184	184–184	119.7 µg/m³	134.9	1h	9

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