What is the air quality trend in Kashihara?

Over the past 8 days, Kashihara had an average AQI of 31 based on station measurements. The worst day was 2026-06-06 with AQI 35.

How is Kashihara air quality measured?

Air quality in Kashihara 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 Kashihara, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 39 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	30	27–35	7.2 µg/m³	4h	66
2026-06-08	29	20–39	7.1 µg/m³	24h	83
2026-06-07	30	22–36	7.1 µg/m³	24h	90
2026-06-06	35	26–42	8.4 µg/m³	24h	88
2026-06-05	32	25–43	7.7 µg/m³	24h	88
2026-06-04	33	24–49	7.9 µg/m³	24h	81
2026-06-03	31	22–41	7.4 µg/m³	24h	85
2026-06-02	31	20–52	7.5 µg/m³	20h	83

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