What is the air quality trend in Uki?

Over the past 7 days, Uki had an average AQI of 52 based on station measurements. The worst day was 2026-07-21 with AQI 59.

How is Uki air quality measured?

Air quality in Uki 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 Uki, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 19 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	59	47–76	16.1 µg/m³	21h	10
2026-07-20	52	35–67	13.1 µg/m³	24h	13
2026-07-19	46	32–58	11.1 µg/m³	24h	15
2026-07-18	43	20–62	10.6 µg/m³	24h	15
2026-07-17	54	39–65	13.7 µg/m³	24h	15
2026-07-16	57	46–67	14.9 µg/m³	24h	15
2026-07-15	53	38–59	13.3 µg/m³	23h	16

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