What is the air quality trend in Mizusawa?

Over the past 8 days, Mizusawa had an average AQI of 62 based on station measurements. The worst day was 2026-10-15 with AQI 91.

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 CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

158h

PM2.5 Station

158h · 9 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	50	24–191	21.7 µg/m³	9h	4
2026-10-20	48	13–154	13.4 µg/m³	23h	3
2026-10-19	61	15–119	18.3 µg/m³	24h	4
2026-10-18	35	17–59	8.4 µg/m³	23h	3
2026-10-17	71	17–155	22.6 µg/m³	21h	3
2026-10-16	75	10–189	28.7 µg/m³	23h	4
2026-10-15	91	20–349	40.2 µg/m³	24h	4
2026-10-14	66	30–124	19.6 µg/m³	11h	3

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