What is the air quality trend in Nisshin?

Over the past 8 days, Nisshin had an average AQI of 40 based on station measurements. The worst day was 2026-08-01 with AQI 53.

How is Nisshin air quality measured?

Air quality in Nisshin 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 Nisshin, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 53 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	30	30–30	7.2 µg/m³	14.3	2h	48
2026-08-07	29	23–38	7.0 µg/m³	17.0	22h	44
2026-08-06	43	26–56	10.3 µg/m³	14.7	24h	27
2026-08-05	44	28–60	10.8 µg/m³	17.8	24h	28
2026-08-04	40	33–46	9.7 µg/m³	16.6	24h	40
2026-08-03	39	27–54	9.4 µg/m³	17.3	24h	43
2026-08-02	45	35–53	10.8 µg/m³	23.8	24h	41
2026-08-01	53	44–58	13.1 µg/m³	18.3	20h	45

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