What is the air quality trend in Chikushino-shi?

Over the past 8 days, Chikushino-shi had an average AQI of 51 based on station measurements. The worst day was 2026-10-14 with AQI 70.

How is Chikushino-shi air quality measured?

Air quality in Chikushino-shi 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 Chikushino-shi, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Chikushino-shi, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 31 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	32	24–51	7.7 µg/m³	7h	29
2026-10-20	43	27–82	11.0 µg/m³	24h	27
2026-10-19	53	35–102	14.3 µg/m³	24h	27
2026-10-18	35	23–58	8.5 µg/m³	24h	27
2026-10-17	56	32–133	15.3 µg/m³	24h	27
2026-10-16	65	45–106	18.7 µg/m³	24h	25
2026-10-15	59	32–141	16.6 µg/m³	24h	25
2026-10-14	70	30–157	22.6 µg/m³	14h	24

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