What is the air quality trend in Kwai Chung?

Over the past 8 days, Kwai Chung had an average AQI of 42 based on station measurements. The worst day was 2026-08-08 with AQI 134.

How is Kwai Chung air quality measured?

Air quality in Kwai 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 Kwai Chung, Hong Kong

Name: Kwai 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 Kwai Chung, Hong Kong.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

157h

PM2.5 Station

157h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	134	131–138	49.0 µg/m³	56.8	3h	2
2026-08-07	53	28–108	14.6 µg/m³	15.6	24h	2
2026-08-06	45	30–64	11.0 µg/m³	11.6	24h	2
2026-08-05	60	38–70	16.4 µg/m³	17.1	24h	2
2026-08-04	20	6–44	4.9 µg/m³	5.2	24h	2
2026-08-03	15	1–47	3.7 µg/m³	4.0	23h	2
2026-08-02	4	1–9	0.9 µg/m³	1.3	23h	2
2026-08-01	5	1–9	1.1 µg/m³	1.6	12h	1

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