What is the air quality trend in Xiulin?

Over the past 3 days, Xiulin had an average AQI of 58 based on station measurements. The worst day was 2026-07-21 with AQI 66.

How is Xiulin air quality measured?

Air quality in Xiulin 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 Xiulin, Taiwan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

11h

PM2.5 Station

11h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	56	50–63	14.9 µg/m³	2h	1
2026-07-21	66	42–109	19.9 µg/m³	6h	1
2026-07-20	54	36–72	14.9 µg/m³	3h	1

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