What is the air quality trend in Tagajō-shi?

Over the past 3 days, Tagajō-shi had an average AQI of 39 based on station measurements. The worst day was 2026-08-06 with AQI 48.

How is Tagajō-shi air quality measured?

Air quality in Tagajō-shi 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 Tagajō-shi, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Tagajō-shi, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

42h

PM2.5 Station

42h · 10 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	39	39–39	9.3 µg/m³	1h	10
2026-08-07	30	17–45	7.1 µg/m³	21h	12
2026-08-06	48	20–123	13.1 µg/m³	20h	7

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