What is the air quality trend in Tung Chung?

Over the past 8 days, Tung Chung had an average AQI of 77 based on station measurements. The worst day was 2026-10-14 with AQI 112.

How is Tung Chung air quality measured?

Air quality in Tung Chung 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 Tung Chung, Hong Kong

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

Historical PM2.5 and AQI trend from monitoring stations near Tung Chung, Hong Kong.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	83	75–87	27.2 µg/m³	28.2	3h	1
2026-10-20	57	24–88	16.0 µg/m³	16.4	24h	1
2026-10-19	66	31–86	20.0 µg/m³	20.7	24h	1
2026-10-18	54	34–122	14.6 µg/m³	15.4	24h	1
2026-10-17	62	46–81	17.3 µg/m³	17.8	24h	1
2026-10-16	86	63–107	28.5 µg/m³	30.8	24h	1
2026-10-15	99	89–116	34.7 µg/m³	39.4	24h	1
2026-10-14	112	93–135	40.1 µg/m³	47.3	20h	1

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