What is the air quality trend in Zagreb?

Over the past 8 days, Zagreb had an average AQI of 67 based on station measurements. The worst day was 2026-10-21 with AQI 107.

How is Zagreb air quality measured?

Air quality in Zagreb 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 Zagreb, Croatia

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

Historical PM2.5 and AQI trend from monitoring stations near Zagreb, Croatia.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 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	107	51–145	37.3 µg/m³	43.4	13h	1
2026-10-20	79	25–123	25.8 µg/m³	28.2	24h	1
2026-10-19	87	48–123	28.8 µg/m³	32.1	24h	1
2026-10-18	74	27–141	23.3 µg/m³	25.3	24h	1
2026-10-17	54	8–126	15.9 µg/m³	17.4	24h	1
2026-10-16	61	7–150	19.3 µg/m³	21.4	24h	1
2026-10-15	44	8–151	12.7 µg/m³	14.2	23h	1
2026-10-14	37	7–72	9.7 µg/m³	10.5	11h	1

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