What is the air quality trend in Chūō?

Over the past 3 days, Chūō had an average AQI of 54 based on station measurements. The worst day was with AQI .

How is Chūō air quality measured?

Air quality in Chūō 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 Chūō, Japan

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

49h

PM2.5 Trend

49h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-15	34	17–47	8.2 µg/m³	12.4	24h	19
2026-04-14	53	43–62	13.5 µg/m³	21.5	24h	19
2026-04-13	77	77–77	24.6 µg/m³	29.0	1h	1

Back to Chūō Air Quality