What is the air quality trend in Rittō?

Over the past 8 days, Rittō had an average AQI of 44 based on station measurements. The worst day was 2026-08-01 with AQI 55.

How is Rittō air quality measured?

Air quality in Rittō 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 Rittō, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 42 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	28	25–30	6.5 µg/m³	2h	46
2026-08-07	36	23–69	8.8 µg/m³	23h	48
2026-08-06	52	26–67	13.3 µg/m³	24h	33
2026-08-05	46	32–59	11.3 µg/m³	24h	30
2026-08-04	44	35–57	10.5 µg/m³	24h	40
2026-08-03	44	25–59	10.7 µg/m³	24h	39
2026-08-02	49	31–67	12.0 µg/m³	24h	48
2026-08-01	55	48–68	14.1 µg/m³	20h	47

Back to Rittō Air Quality