What is the air quality trend in Keszthely?

Over the past 8 days, Keszthely had an average AQI of 72 based on station measurements. The worst day was 2026-10-21 with AQI 87.

How is Keszthely air quality measured?

Air quality in Keszthely 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 Keszthely, Hungary

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

Historical PM2.5 and AQI trend from monitoring stations near Keszthely, Hungary.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	87	18–126	29.2 µg/m³	34.9	18h	1
2026-10-20	85	39–122	28.4 µg/m³	33.3	24h	1
2026-10-19	74	35–97	23.7 µg/m³	26.9	24h	1
2026-10-18	79	15–107	25.6 µg/m³	29.6	24h	1
2026-10-17	79	40–121	25.6 µg/m³	30.4	24h	1
2026-10-16	46	6–97	13.1 µg/m³	14.7	24h	1
2026-10-15	49	4–105	14.5 µg/m³	15.6	24h	1
2026-10-14	77	73–83	24.4 µg/m³	26.3	6h	1

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