What is the air quality trend in Matsudo?

Over the past 2 days, Matsudo had an average AQI of 33 based on station measurements. The worst day was with AQI .

How is Matsudo air quality measured?

Air quality in Matsudo 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 Matsudo, Japan

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

39h · 12 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	36	19–59	9.0 µg/m³	16.9	21h	14
2026-04-09	31	13–42	7.4 µg/m³	13.6	18h	14

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