What is the air quality trend in Tianwei?

Over the past 8 days, Tianwei had an average AQI of 75 based on station measurements. The worst day was 2026-10-15 with AQI 84.

How is Tianwei air quality measured?

Air quality in Tianwei 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 Tianwei, Taiwan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 23 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	72	64–80	21.9 µg/m³	2h	22
2026-10-20	76	48–164	25.0 µg/m³	24h	14
2026-10-19	65	35–155	19.4 µg/m³	24h	11
2026-10-18	76	57–118	23.9 µg/m³	24h	18
2026-10-17	77	47–157	24.5 µg/m³	24h	11
2026-10-16	78	51–129	24.7 µg/m³	24h	8
2026-10-15	84	58–149	27.3 µg/m³	24h	9
2026-10-14	74	42–136	23.2 µg/m³	19h	7

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