What is the air quality trend in Liberec?

Over the past 15 days, Liberec had an average AQI of 27 based on station measurements. The worst day was 2026-10-08 with AQI 48.

How is Liberec air quality measured?

Air quality in Liberec 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 Liberec, Czech Republic

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

Historical PM2.5 and AQI trend from monitoring stations near Liberec, Czech Republic.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

79h

PM2.5 Station

79h · 1 station

Temperature GFS model

55pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	28	23–34	6.8 µg/m³	4h	1
2026-10-20	25	12–39	6.0 µg/m³	4h	1
2026-10-19	22	10–48	5.2 µg/m³	5h	1
2026-10-18	21	10–50	5.0 µg/m³	8h	1
2026-10-17	30	19–49	7.1 µg/m³	3h	2
2026-10-16	31	17–61	7.7 µg/m³	6h	1
2026-10-15	29	13–48	6.9 µg/m³	7h	1
2026-10-14	24	17–34	5.7 µg/m³	6h	1
2026-10-13	26	20–41	6.2 µg/m³	5h	1
2026-10-12	20	19–24	4.9 µg/m³	5h	1
2026-10-11	20	14–34	4.9 µg/m³	8h	1
2026-10-10	18	15–23	4.2 µg/m³	6h	2
2026-10-09	25	23–27	6.0 µg/m³	3h	1
2026-10-08	48	25–70	13.2 µg/m³	7h	1
2026-10-07	44	44–45	10.7 µg/m³	2h	1

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