What is the air quality trend in Tai Wo Hau?

Over the past 15 days, Tai Wo Hau had an average AQI of 55 based on station measurements. The worst day was 2026-05-22 with AQI 83.

How is Tai Wo Hau air quality measured?

Air quality in Tai Wo Hau 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 Wo Hau, Hong Kong

Name: Tai Wo Hau 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 Wo Hau, Hong Kong.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	56	30–76	15.3 µg/m³	15.9	20h	2
2026-05-28	54	43–60	13.9 µg/m³	14.7	24h	2
2026-05-27	51	45–58	12.4 µg/m³	13.3	24h	2
2026-05-26	52	43–62	12.8 µg/m³	13.4	24h	1
2026-05-25	56	45–69	14.6 µg/m³	15.7	24h	2
2026-05-24	71	61–153	21.5 µg/m³	23.1	24h	2
2026-05-23	75	65–83	23.4 µg/m³	24.8	24h	2
2026-05-22	83	64–103	27.4 µg/m³	29.4	23h	1
2026-05-21	82	73–96	27.0 µg/m³	29.0	24h	2
2026-05-20	52	10–76	14.2 µg/m³	15.2	24h	2
2026-05-19	42	11–74	11.2 µg/m³	12.3	24h	2
2026-05-18	43	16–59	10.7 µg/m³	12.4	24h	2
2026-05-17	36	26–49	8.6 µg/m³	9.7	24h	1
2026-05-16	34	15–62	8.4 µg/m³	9.6	24h	2
2026-05-15	44	31–56	10.9 µg/m³	12.3	4h	2

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