What is the air quality trend in Kurihara?

Over the past 15 days, Kurihara had an average AQI of 40 based on station measurements. The worst day was 2026-07-31 with AQI 48.

How is Kurihara air quality measured?

Air quality in Kurihara 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 Kurihara, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

291h

PM2.5 Station

291h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	40	23–67	10.4 µg/m³	6h	3
2026-08-07	34	11–56	8.1 µg/m³	19h	3
2026-08-06	47	17–68	12.4 µg/m³	16h	2
2026-08-05	46	17–87	12.6 µg/m³	16h	2
2026-08-04	46	9–102	12.3 µg/m³	19h	3
2026-08-03	41	14–76	10.4 µg/m³	22h	3
2026-08-02	39	9–70	9.8 µg/m³	24h	3
2026-08-01	47	15–104	12.3 µg/m³	21h	3
2026-07-31	48	19–75	12.3 µg/m³	22h	3
2026-07-30	45	13–70	11.4 µg/m³	21h	3
2026-07-29	37	14–58	9.0 µg/m³	22h	3
2026-07-28	33	14–68	8.2 µg/m³	23h	3
2026-07-27	29	11–46	6.9 µg/m³	22h	3
2026-07-26	33	13–57	8.0 µg/m³	23h	3
2026-07-25	40	17–61	9.8 µg/m³	15h	3

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