What is the air quality trend in Taichung?

Over the past 8 days, Taichung had an average AQI of 51 based on station measurements. The worst day was 2026-06-02 with AQI 65.

How is Taichung air quality measured?

Air quality in Taichung 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 Taichung, Taiwan

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

Historical PM2.5 and AQI trend from monitoring stations near Taichung, Taiwan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	37	28–48	8.9 µg/m³	11h	19
2026-06-08	44	33–53	10.6 µg/m³	24h	23
2026-06-07	47	34–62	11.6 µg/m³	24h	23
2026-06-06	55	42–115	14.4 µg/m³	24h	26
2026-06-05	55	44–69	14.3 µg/m³	24h	26
2026-06-04	48	34–60	11.8 µg/m³	24h	25
2026-06-03	59	51–74	15.8 µg/m³	24h	26
2026-06-02	65	51–96	18.7 µg/m³	12h	26

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