What is the air quality trend in Tamba-Sasayama?

Over the past 8 days, Tamba-Sasayama had an average AQI of 51 based on station measurements. The worst day was 2026-10-15 with AQI 65.

How is Tamba-Sasayama air quality measured?

Air quality in Tamba-Sasayama 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 Tamba-Sasayama, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Tamba-Sasayama, Japan.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 33 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	28–42	8.2 µg/m³	11h	48
2026-10-20	49	32–95	13.0 µg/m³	24h	45
2026-10-19	51	35–73	13.1 µg/m³	24h	41
2026-10-18	37	24–60	9.0 µg/m³	24h	49
2026-10-17	51	35–74	13.1 µg/m³	24h	40
2026-10-16	65	44–135	19.0 µg/m³	24h	35
2026-10-15	65	28–110	19.1 µg/m³	24h	40
2026-10-14	58	33–105	16.6 µg/m³	11h	37

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