What is the air quality trend in Ueno-ebisumachi?

Over the past 8 days, Ueno-ebisumachi had an average AQI of 51 based on station measurements. The worst day was 2026-10-15 with AQI 68.

How is Ueno-ebisumachi air quality measured?

Air quality in Ueno-ebisumachi 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 Ueno-ebisumachi, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Ueno-ebisumachi, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 40 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	41	25–81	10.7 µg/m³	8h	34
2026-10-20	45	34–60	11.1 µg/m³	24h	32
2026-10-19	52	34–96	14.0 µg/m³	24h	31
2026-10-18	35	27–53	8.4 µg/m³	24h	34
2026-10-17	52	33–81	13.5 µg/m³	24h	31
2026-10-16	60	44–91	16.6 µg/m³	24h	26
2026-10-15	68	33–134	20.4 µg/m³	24h	31
2026-10-14	60	31–113	17.0 µg/m³	14h	26

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