What is the air quality trend in Tin Wan?

Over the past 8 days, Tin Wan had an average AQI of 65 based on station measurements. The worst day was 2026-05-22 with AQI 90.

How is Tin Wan air quality measured?

Air quality in Tin Wan 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 Tin Wan, Hong Kong

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

Historical PM2.5 and AQI trend from monitoring stations near Tin Wan, Hong Kong.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	56	30–75	14.9 µg/m³	15.4	20h	2
2026-05-28	56	46–60	14.4 µg/m³	15.0	24h	2
2026-05-27	53	46–59	13.2 µg/m³	13.8	24h	2
2026-05-26	52	43–62	12.9 µg/m³	13.5	24h	1
2026-05-25	59	48–76	16.0 µg/m³	16.8	24h	2
2026-05-24	75	65–119	23.2 µg/m³	24.4	24h	2
2026-05-23	80	67–89	25.9 µg/m³	27.4	24h	2
2026-05-22	90	88–92	30.6 µg/m³	34.2	3h	2

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