What is the air quality trend in Boon Lay?

Over the past 8 days, Boon Lay had an average AQI of 111 based on station measurements. The worst day was 2026-09-04 with AQI 147.

How is Boon Lay air quality measured?

Air quality in Boon Lay 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 Boon Lay, Singapore

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	127	106–144	46.0 µg/m³	54.6	13h	1
2026-09-04	147	66–172	64.9 µg/m³	70.8	24h	1
2026-09-03	141	63–171	58.6 µg/m³	66.1	24h	1
2026-09-02	110	62–136	39.1 µg/m³	45.2	24h	1
2026-09-01	101	57–127	35.2 µg/m³	39.6	23h	1
2026-08-31	74	13–116	23.7 µg/m³	25.7	24h	1
2026-08-30	86	27–140	28.7 µg/m³	31.6	24h	1
2026-08-29	102	85–123	35.7 µg/m³	37.3	10h	2

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