What is the air quality trend in Budapest IV. kerület?

Over the past 8 days, Budapest IV. kerület had an average AQI of 91 based on station measurements. The worst day was 2026-10-21 with AQI 124.

How is Budapest IV. kerület air quality measured?

Air quality in Budapest IV. kerület 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 Budapest IV. kerület, Hungary

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

Historical PM2.5 and AQI trend from monitoring stations near Budapest IV. kerület, Hungary.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 3 stations

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	124	85–157	46.4 µg/m³	52.3	13h	3
2026-10-20	95	43–129	32.6 µg/m³	37.6	24h	3
2026-10-19	113	46–154	40.3 µg/m³	46.3	24h	3
2026-10-18	97	44–150	33.1 µg/m³	37.8	24h	3
2026-10-17	97	27–136	33.5 µg/m³	38.6	24h	3
2026-10-16	63	13–134	19.6 µg/m³	21.9	24h	3
2026-10-15	70	32–122	22.2 µg/m³	24.5	24h	3
2026-10-14	76	45–118	24.0 µg/m³	25.9	10h	2

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