What is the air quality trend in Kasama?

Over the past 8 days, Kasama had an average AQI of 53 based on station measurements. The worst day was 2026-10-14 with AQI 74.

How is Kasama air quality measured?

Air quality in Kasama 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 Kasama, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 24 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	40	30–52	9.6 µg/m³	9h	26
2026-10-20	42	28–68	10.3 µg/m³	24h	21
2026-10-19	54	25–152	14.7 µg/m³	24h	20
2026-10-18	35	21–70	8.6 µg/m³	24h	23
2026-10-17	48	39–74	12.2 µg/m³	24h	19
2026-10-16	68	40–156	20.5 µg/m³	24h	18
2026-10-15	68	33–175	22.1 µg/m³	24h	17
2026-10-14	74	26–139	23.6 µg/m³	13h	17

Back to Kasama Air Quality