What is the air quality trend in Ma Tau Wai?

Over the past 15 days, Ma Tau Wai had an average AQI of 79 based on station measurements. The worst day was 2026-10-13 with AQI 139.

How is Ma Tau Wai air quality measured?

Air quality in Ma Tau 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 Ma Tau Wai, Hong Kong

Name: Ma Tau 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 Ma Tau Wai, 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
2026-10-21	89	74–98	30.3 µg/m³	34.3	4h	2
2026-10-20	54	32–70	14.1 µg/m³	15.4	24h	2
2026-10-19	62	30–84	18.6 µg/m³	19.9	24h	2
2026-10-18	45	28–64	11.3 µg/m³	12.3	24h	2
2026-10-17	57	39–75	15.3 µg/m³	16.7	24h	2
2026-10-16	83	59–102	27.3 µg/m³	30.7	24h	2
2026-10-15	98	79–125	34.2 µg/m³	38.6	24h	2
2026-10-14	115	91–145	41.4 µg/m³	47.3	24h	2
2026-10-13	139	101–158	53.7 µg/m³	60.6	24h	2
2026-10-12	95	86–112	32.7 µg/m³	36.0	24h	2
2026-10-11	82	70–94	26.7 µg/m³	28.9	24h	2
2026-10-10	77	69–90	24.5 µg/m³	26.9	24h	2
2026-10-09	58	53–65	15.2 µg/m³	16.5	24h	2
2026-10-08	59	28–96	17.0 µg/m³	18.9	24h	2
2026-10-07	80	73–84	25.7 µg/m³	28.5	19h	2

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