What is the air quality trend in Onoda?

Over the past 8 days, Onoda had an average AQI of 61 based on station measurements. The worst day was 2026-10-14 with AQI 80.

How is Onoda air quality measured?

Air quality in Onoda 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 Onoda, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 10 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	46	15–140	13.9 µg/m³	6h	14
2026-10-20	48	24–81	12.4 µg/m³	24h	12
2026-10-19	64	23–151	19.5 µg/m³	24h	11
2026-10-18	36	24–54	8.7 µg/m³	24h	11
2026-10-17	66	32–117	20.0 µg/m³	24h	11
2026-10-16	77	28–162	25.6 µg/m³	24h	10
2026-10-15	78	30–184	29.9 µg/m³	24h	10
2026-10-14	80	26–161	27.3 µg/m³	15h	10

Back to Onoda Air Quality