What is the air quality trend in Mizusawa?

Over the past 8 days, Mizusawa had an average AQI of 52 based on station measurements. The worst day was 2026-10-16 with AQI 83.

How is Mizusawa air quality measured?

Air quality in Mizusawa 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 Mizusawa, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

142h

PM2.5 Station

142h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	29	9–59	7.1 µg/m³	12h	2
2026-10-20	46	17–146	12.2 µg/m³	22h	2
2026-10-19	46	14–93	12.6 µg/m³	21h	2
2026-10-18	36	7–74	8.9 µg/m³	22h	2
2026-10-17	51	13–168	16.2 µg/m³	19h	2
2026-10-16	83	17–354	41.5 µg/m³	18h	2
2026-10-15	81	14–431	41.3 µg/m³	19h	2
2026-10-14	45	6–95	12.1 µg/m³	9h	2

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