What is the air quality trend in Tenri?

Over the past 8 days, Tenri had an average AQI of 65 based on station measurements. The worst day was 2026-10-14 with AQI 92.

How is Tenri air quality measured?

Air quality in Tenri 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 Tenri, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 47 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	48	31–70	12.4 µg/m³	4h	60
2026-10-20	49	29–76	12.6 µg/m³	24h	56
2026-10-19	62	38–99	17.5 µg/m³	24h	50
2026-10-18	42	27–79	10.5 µg/m³	24h	58
2026-10-17	68	37–115	20.3 µg/m³	24h	53
2026-10-16	78	44–151	24.5 µg/m³	24h	45
2026-10-15	86	57–161	29.0 µg/m³	24h	52
2026-10-14	92	38–156	31.7 µg/m³	17h	47

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