What is the air quality trend in Yaizu?

Over the past 8 days, Yaizu had an average AQI of 51 based on station measurements. The worst day was 2026-10-14 with AQI 90.

How is Yaizu air quality measured?

Air quality in Yaizu 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 Yaizu, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 11 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	29	25–35	7.0 µg/m³	7h	17
2026-10-20	41	25–81	10.8 µg/m³	24h	14
2026-10-19	52	23–161	15.4 µg/m³	24h	12
2026-10-18	33	17–48	7.9 µg/m³	24h	17
2026-10-17	45	20–83	11.7 µg/m³	24h	11
2026-10-16	62	30–155	17.9 µg/m³	23h	12
2026-10-15	61	27–162	19.3 µg/m³	24h	12
2026-10-14	90	25–166	33.2 µg/m³	14h	10

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