What is the air quality trend in Narutochō-mitsuishi?

Over the past 3 days, Narutochō-mitsuishi had an average AQI of 40 based on station measurements. The worst day was 2026-10-20 with AQI 43.

How is Narutochō-mitsuishi air quality measured?

Air quality in Narutochō-mitsuishi 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 Narutochō-mitsuishi, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Narutochō-mitsuishi, Japan.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 17 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	38	27–48	9.0 µg/m³	8h	16
2026-10-20	43	23–145	11.1 µg/m³	24h	13
2026-10-19	39	21–52	9.3 µg/m³	13h	14

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