What is the air quality trend in Zenica?

Over the past 8 days, Zenica had an average AQI of 114 based on station measurements. The worst day was 2026-10-21 with AQI 155.

How is Zenica air quality measured?

Air quality in Zenica 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 Zenica, Bosnia and Herzegovina

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

Historical PM2.5 and AQI trend from monitoring stations near Zenica, Bosnia and Herzegovina.

139

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 4 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	155	128–180	71.1 µg/m³	85.3	14h	4
2026-10-20	134	84–159	49.9 µg/m³	62.1	24h	4
2026-10-19	131	85–152	47.7 µg/m³	58.9	24h	4
2026-10-18	112	20–152	40.0 µg/m³	49.5	24h	4
2026-10-17	110	36–156	39.3 µg/m³	48.3	24h	4
2026-10-16	86	17–129	30.0 µg/m³	36.9	24h	4
2026-10-15	93	13–158	32.7 µg/m³	39.6	24h	4
2026-10-14	93	13–140	32.6 µg/m³	38.7	10h	3

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