What is the air quality trend in Tatsuno?

Over the past 15 days, Tatsuno had an average AQI of 44 based on station measurements. The worst day was 2026-07-22 with AQI 73.

How is Tatsuno air quality measured?

Air quality in Tatsuno 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, Japan

Name: Tatsuno 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, Japan.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

294h

PM2.5 Station

294h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	73	34–137	22.8 µg/m³	6h	2
2026-07-21	56	11–78	15.5 µg/m³	16h	2
2026-07-20	56	14–78	15.3 µg/m³	18h	1
2026-07-19	36	18–60	9.0 µg/m³	17h	2
2026-07-18	43	13–65	11.0 µg/m³	20h	2
2026-07-17	59	9–141	17.1 µg/m³	21h	2
2026-07-16	48	9–145	13.1 µg/m³	22h	2
2026-07-15	45	13–84	11.6 µg/m³	21h	2
2026-07-14	47	22–70	12.2 µg/m³	22h	2
2026-07-13	40	14–63	9.9 µg/m³	24h	2
2026-07-12	39	25–57	9.4 µg/m³	23h	2
2026-07-11	30	9–58	7.3 µg/m³	23h	2
2026-07-10	32	9–68	8.0 µg/m³	22h	2
2026-07-09	35	10–91	8.7 µg/m³	24h	2
2026-07-08	35	22–65	8.6 µg/m³	15h	2

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