What is the air quality trend in Tamba-Sasayama?

Over the past 8 days, Tamba-Sasayama had an average AQI of 50 based on station measurements. The worst day was 2026-09-01 with AQI 59.

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 Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 57 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	33	21–79	8.6 µg/m³	11h	49
2026-09-04	44	19–99	12.2 µg/m³	24h	47
2026-09-03	41	17–79	10.7 µg/m³	24h	43
2026-09-02	54	23–117	15.9 µg/m³	24h	44
2026-09-01	59	27–113	17.7 µg/m³	24h	45
2026-08-31	57	34–124	15.4 µg/m³	24h	46
2026-08-30	54	26–95	15.3 µg/m³	24h	46
2026-08-29	58	43–90	15.9 µg/m³	10h	43

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