What is the air quality trend in Tai Po?

Over the past 8 days, Tai Po had an average AQI of 77 based on station measurements. The worst day was 2026-10-14 with AQI 111.

How is Tai Po air quality measured?

Air quality in Tai Po 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 Po, Hong Kong

Name: Tai Po 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 Po, 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 · 3 stations

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	94	83–102	32.3 µg/m³	36.3	3h	3
2026-10-20	56	31–78	15.4 µg/m³	16.4	24h	3
2026-10-19	68	48–87	20.5 µg/m³	21.5	24h	3
2026-10-18	48	24–64	12.0 µg/m³	12.8	24h	3
2026-10-17	56	44–73	15.1 µg/m³	16.1	24h	3
2026-10-16	84	63–97	28.0 µg/m³	30.7	24h	3
2026-10-15	99	84–121	34.6 µg/m³	39.1	24h	3
2026-10-14	111	94–137	39.6 µg/m³	45.7	20h	3

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