What is the air quality trend in Thomson?

Over the past 8 days, Thomson had an average AQI of 108 based on station measurements. The worst day was 2026-09-04 with AQI 149.

How is Thomson air quality measured?

Air quality in Thomson 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 Thomson, Singapore

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 3 stations

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	122	104–132	44.2 µg/m³	53.4	13h	3
2026-09-04	149	96–174	66.1 µg/m³	73.5	24h	3
2026-09-03	143	97–167	58.4 µg/m³	66.7	24h	3
2026-09-02	104	59–129	36.4 µg/m³	42.4	24h	3
2026-09-01	97	75–118	33.4 µg/m³	38.3	23h	3
2026-08-31	70	15–108	22.5 µg/m³	25.1	24h	3
2026-08-30	85	24–134	28.1 µg/m³	31.7	24h	3
2026-08-29	96	86–113	33.2 µg/m³	35.3	10h	4

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