What is the air quality trend in MacPherson?

Over the past 2 days, MacPherson had an average AQI of 176 based on station measurements. The worst day was 2026-10-19 with AQI 177.

How is MacPherson air quality measured?

Air quality in MacPherson 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 MacPherson, Singapore

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

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

164

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

47h

PM2.5 Station

47h · 10 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	175	159–226	100.0 µg/m³	113.4	23h	11
2026-10-19	177	141–237	104.8 µg/m³	118.5	24h	11

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