What is the air quality trend in Nishitawara?

Over the past 8 days, Nishitawara had an average AQI of 53 based on station measurements. The worst day was 2026-10-14 with AQI 72.

How is Nishitawara air quality measured?

Air quality in Nishitawara 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 Nishitawara, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 27 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	41	32–56	9.9 µg/m³	7h	30
2026-10-20	46	27–112	12.1 µg/m³	24h	28
2026-10-19	51	35–106	13.5 µg/m³	24h	28
2026-10-18	33	23–55	7.9 µg/m³	24h	28
2026-10-17	53	34–96	14.2 µg/m³	24h	27
2026-10-16	70	42–153	21.2 µg/m³	24h	24
2026-10-15	60	30–157	17.8 µg/m³	24h	27
2026-10-14	72	28–141	22.6 µg/m³	14h	24

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