What is the air quality trend in Kawaguchi?

Over the past 14 days, Kawaguchi had an average AQI of 37 based on station measurements. The worst day was with AQI .

How is Kawaguchi air quality measured?

Air quality in Kawaguchi 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 Kawaguchi, Japan

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

268h

PM2.5 Trend

268h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-15	37	14–47	8.8 µg/m³	13.1	11h	17
2026-04-14	54	45–62	13.8 µg/m³	21.5	24h	18
2026-04-13	50	30–58	12.3 µg/m³	20.2	17h	15
2026-04-12	45	35–52	10.9 µg/m³	16.4	24h	17
2026-04-11	46	27–59	11.6 µg/m³	17.0	24h	18
2026-04-10	38	18–58	9.3 µg/m³	16.9	24h	16
2026-04-09	31	13–42	7.3 µg/m³	13.5	18h	16
2026-04-08	35	27–42	8.3 µg/m³	10.0	9h	15
2026-04-07	29	8–63	7.1 µg/m³	11.0	24h	15
2026-04-06	53	42–62	13.3 µg/m³	20.0	18h	17
2026-04-04	39	19–57	9.5 µg/m³	15.6	15h	16
2026-04-03	36	27–51	8.6 µg/m³	11.8	24h	17
2026-04-02	18	6–30	4.4 µg/m³	6.3	24h	13
2026-04-01	10	6–27	2.4 µg/m³	3.1	12h	10

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