What is the air quality trend in Miyaodai?

Over the past 15 days, Miyaodai had an average AQI of 55 based on station measurements. The worst day was 2026-10-14 with AQI 78.

How is Miyaodai air quality measured?

Air quality in Miyaodai 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 Miyaodai, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 25 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	39	19–102	10.8 µg/m³	7h	22
2026-10-20	47	29–110	12.2 µg/m³	24h	21
2026-10-19	59	30–118	17.0 µg/m³	24h	20
2026-10-18	35	23–53	8.4 µg/m³	24h	20
2026-10-17	64	32–153	18.9 µg/m³	24h	21
2026-10-16	68	38–110	20.2 µg/m³	24h	19
2026-10-15	66	29–157	20.0 µg/m³	24h	19
2026-10-14	78	32–169	27.4 µg/m³	24h	18
2026-10-13	64	40–103	18.6 µg/m³	24h	19
2026-10-12	57	38–139	15.5 µg/m³	24h	20
2026-10-11	67	36–146	19.8 µg/m³	24h	15
2026-10-10	61	30–135	17.5 µg/m³	24h	22
2026-10-09	54	25–96	15.4 µg/m³	24h	20
2026-10-08	34	23–49	8.2 µg/m³	24h	29
2026-10-07	40	28–51	9.4 µg/m³	14h	29

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