What is the air quality trend in Erlin?

Over the past 8 days, Erlin had an average AQI of 74 based on station measurements. The worst day was 2026-10-15 with AQI 82.

How is Erlin air quality measured?

Air quality in Erlin 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 Erlin, Taiwan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 22 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	70	64–77	21.4 µg/m³	2h	21
2026-10-20	72	38–166	23.1 µg/m³	24h	13
2026-10-19	65	35–155	19.4 µg/m³	24h	10
2026-10-18	77	57–120	24.1 µg/m³	24h	17
2026-10-17	76	54–155	24.0 µg/m³	24h	11
2026-10-16	76	51–118	24.0 µg/m³	24h	8
2026-10-15	82	57–149	26.4 µg/m³	24h	8
2026-10-14	75	42–136	23.3 µg/m³	19h	6

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