What is the air quality trend in Yashiro?

Over the past 8 days, Yashiro had an average AQI of 61 based on station measurements. The worst day was 2026-10-14 with AQI 84.

How is Yashiro air quality measured?

Air quality in Yashiro 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 Yashiro, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Yashiro, Japan.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 53 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	43	34–57	10.6 µg/m³	7h	49
2026-10-20	49	32–84	12.8 µg/m³	24h	47
2026-10-19	58	40–92	15.8 µg/m³	24h	44
2026-10-18	39	28–54	9.4 µg/m³	24h	47
2026-10-17	60	37–96	17.0 µg/m³	24h	45
2026-10-16	77	46–160	24.9 µg/m³	24h	41
2026-10-15	81	53–154	26.2 µg/m³	24h	48
2026-10-14	84	26–133	28.0 µg/m³	14h	39

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