What is the air quality trend in Hok Yuen?

Over the past 8 days, Hok Yuen had an average AQI of 41 based on station measurements. The worst day was 2026-08-08 with AQI 140.

How is Hok Yuen air quality measured?

Air quality in Hok Yuen 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 Hok Yuen, Hong Kong

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

Historical PM2.5 and AQI trend from monitoring stations near Hok Yuen, Hong Kong.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

160h

PM2.5 Station

160h · 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	140	129–152	51.5 µg/m³	58.5	8h	2
2026-08-07	53	29–103	14.6 µg/m³	15.6	24h	2
2026-08-06	41	24–58	9.9 µg/m³	10.5	24h	2
2026-08-05	58	33–71	15.5 µg/m³	16.2	24h	2
2026-08-04	16	4–38	3.8 µg/m³	4.1	24h	2
2026-08-03	15	1–43	3.6 µg/m³	3.9	23h	2
2026-08-02	3	1–9	0.7 µg/m³	1.1	23h	2
2026-08-01	6	1–9	1.1 µg/m³	1.8	10h	1

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