What is the air quality trend in Sungai Simpang?

Over the past 3 days, Sungai Simpang had an average AQI of 162 based on station measurements. The worst day was 2026-10-21 with AQI 165.

How is Sungai Simpang air quality measured?

Air quality in Sungai Simpang 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 Sungai Simpang, Singapore

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

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

153

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

48h

PM2.5 Station

48h · 11 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	165	165–165	82.3 µg/m³	95.4	1h	11
2026-10-20	161	154–170	75.8 µg/m³	88.3	24h	12
2026-10-19	162	128–172	79.6 µg/m³	91.9	23h	12

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