What is the air quality trend in Hiratsuka?

Over the past 8 days, Hiratsuka had an average AQI of 53 based on station measurements. The worst day was 2026-07-22 with AQI 66.

How is Hiratsuka air quality measured?

Air quality in Hiratsuka 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 Hiratsuka, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 7 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	66	60–71	19.2 µg/m³	38.5	4h	50
2026-07-21	60	54–74	16.6 µg/m³	35.3	24h	39
2026-07-20	52	46–60	13.0 µg/m³	21.9	24h	51
2026-07-19	39	32–51	9.4 µg/m³	11.6	24h	57
2026-07-18	38	23–54	9.1 µg/m³	9.3	24h	59
2026-07-17	52	36–63	13.2 µg/m³	25.5	24h	58
2026-07-16	61	51–74	16.9 µg/m³	40.1	24h	57
2026-07-15	57	52–63	14.9 µg/m³	34.7	21h	55

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