What is the air quality trend in Gyōda?

Over the past 7 days, Gyōda had an average AQI of 49 based on station measurements. The worst day was 2026-07-21 with AQI 57.

How is Gyōda air quality measured?

Air quality in Gyōda 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 Gyōda, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 13 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	57	44–64	15.1 µg/m³	30.5	24h	43
2026-07-20	52	43–56	12.9 µg/m³	20.5	24h	54
2026-07-19	41	25–54	9.9 µg/m³	11.5	24h	53
2026-07-18	43	33–52	10.2 µg/m³	9.8	24h	51
2026-07-17	50	37–57	12.3 µg/m³	23.1	24h	54
2026-07-16	56	40–83	14.6 µg/m³	33.0	24h	56
2026-07-15	50	40–59	12.4 µg/m³	29.3	23h	57

Back to Gyōda Air Quality