What is the air quality trend in Tsubata?

Over the past 15 days, Tsubata had an average AQI of 45 based on station measurements. The worst day was 2026-07-22 with AQI 78.

How is Tsubata air quality measured?

Air quality in Tsubata 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 Tsubata, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

326h

PM2.5 Station

326h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	78	75–80	24.7 µg/m³	2h	4
2026-07-21	53	28–74	14.2 µg/m³	20h	3
2026-07-20	52	26–79	13.6 µg/m³	23h	3
2026-07-19	40	11–73	10.2 µg/m³	23h	4
2026-07-18	44	20–80	11.4 µg/m³	24h	4
2026-07-17	52	30–65	13.0 µg/m³	24h	4
2026-07-16	56	26–92	15.2 µg/m³	24h	3
2026-07-15	48	16–71	12.2 µg/m³	24h	3
2026-07-14	48	25–65	12.3 µg/m³	23h	4
2026-07-13	49	27–100	12.5 µg/m³	24h	4
2026-07-12	45	19–154	12.0 µg/m³	23h	4
2026-07-11	29	12–61	7.0 µg/m³	24h	4
2026-07-10	29	13–101	7.5 µg/m³	24h	4
2026-07-09	34	8–219	13.2 µg/m³	24h	3
2026-07-08	32	20–50	7.8 µg/m³	20h	4

Back to Tsubata Air Quality