What is the air quality trend in Sōsa?

Over the past 8 days, Sōsa had an average AQI of 37 based on station measurements. The worst day was 2026-05-22 with AQI 56.

How is Sōsa air quality measured?

Air quality in Sōsa 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 Sōsa, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	39	25–53	9.4 µg/m³	20h	19
2026-05-28	33	18–53	8.0 µg/m³	24h	20
2026-05-27	28	20–47	6.8 µg/m³	24h	24
2026-05-26	31	26–51	7.5 µg/m³	24h	23
2026-05-25	41	23–167	11.8 µg/m³	24h	22
2026-05-24	35	23–51	8.3 µg/m³	24h	22
2026-05-23	35	26–53	8.5 µg/m³	24h	22
2026-05-22	56	24–158	19.6 µg/m³	5h	19

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