What is the air quality trend in Tatsuno-kita?

Over the past 8 days, Tatsuno-kita had an average AQI of 62 based on station measurements. The worst day was 2026-10-14 with AQI 83.

How is Tatsuno-kita air quality measured?

Air quality in Tatsuno-kita 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 Tatsuno-kita, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Tatsuno-kita, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 74 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	42	33–63	10.4 µg/m³	7h	78
2026-10-20	50	32–71	12.7 µg/m³	24h	73
2026-10-19	59	39–79	16.3 µg/m³	24h	68
2026-10-18	41	28–71	10.2 µg/m³	24h	76
2026-10-17	64	38–112	18.5 µg/m³	24h	72
2026-10-16	76	43–154	23.8 µg/m³	24h	58
2026-10-15	83	48–152	26.8 µg/m³	24h	74
2026-10-14	83	31–153	27.3 µg/m³	14h	58

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