What is the air quality trend in Sano?

Over the past 8 days, Sano had an average AQI of 44 based on station measurements. The worst day was 2026-10-16 with AQI 56.

How is Sano air quality measured?

Air quality in Sano 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 Sano, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 29 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	33	29–36	8.0 µg/m³	6h	31
2026-10-20	48	28–131	12.9 µg/m³	24h	29
2026-10-19	47	32–93	12.0 µg/m³	24h	28
2026-10-18	37	26–61	9.0 µg/m³	24h	30
2026-10-17	46	30–83	11.8 µg/m³	24h	31
2026-10-16	56	30–103	15.2 µg/m³	24h	27
2026-10-15	50	32–71	12.8 µg/m³	24h	28
2026-10-14	42	26–59	10.3 µg/m³	15h	27

Back to Sano Air Quality