What is the air quality trend in Tsuen Wan?

Over the past 7 days, Tsuen Wan had an average AQI of 78 based on station measurements. The worst day was with AQI .

How is Tsuen Wan air quality measured?

Air quality in Tsuen Wan 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 Tsuen Wan, Hong Kong

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

Historical PM2.5 and AQI trend from monitoring stations near Tsuen Wan, Hong Kong.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

105h · 2 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	74	65–81	23.0 µg/m³	24.2	19h	2
2026-04-09	78	72–84	24.8 µg/m³	26.4	15h	2
2026-04-08	75	72–81	23.5 µg/m³	28.5	9h	2
2026-04-07	61	52–72	17.0 µg/m³	19.2	24h	2
2026-04-06	69	61–74	20.5 µg/m³	22.6	17h	2
2026-04-04	90	74–106	30.5 µg/m³	34.3	15h	2
2026-04-03	103	97–116	36.4 µg/m³	42.6	6h	2

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