What is the air quality trend in Tai Wai?

Over the past 8 days, Tai Wai had an average AQI of 42 based on station measurements. The worst day was 2026-08-08 with AQI 140.

How is Tai Wai air quality measured?

Air quality in Tai Wai 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 Tai Wai, Hong Kong

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

Historical PM2.5 and AQI trend from monitoring stations near Tai Wai, Hong Kong.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 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	130–151	51.4 µg/m³	59.3	7h	2
2026-08-07	54	28–106	14.6 µg/m³	15.6	24h	2
2026-08-06	44	28–61	10.7 µg/m³	11.3	24h	2
2026-08-05	59	36–69	16.1 µg/m³	16.8	24h	2
2026-08-04	19	6–42	4.5 µg/m³	4.8	24h	2
2026-08-03	15	1–46	3.6 µg/m³	3.9	23h	2
2026-08-02	4	1–9	0.8 µg/m³	1.2	23h	2
2026-08-01	5	1–9	1.1 µg/m³	1.7	10h	1

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