What is the air quality trend in Ústí nad Orlicí?

Over the past 8 days, Ústí nad Orlicí had an average AQI of 42 based on station measurements. The worst day was 2026-07-21 with AQI 52.

How is Ústí nad Orlicí air quality measured?

Air quality in Ústí nad Orlicí 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 Ústí nad Orlicí, Czech Republic

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

Historical PM2.5 and AQI trend from monitoring stations near Ústí nad Orlicí, Czech Republic.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

154h

PM2.5 Station

154h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	25	25–25	6.1 µg/m³	1h	2
2026-07-21	52	17–72	14.1 µg/m³	14h	2
2026-07-20	45	5–72	11.4 µg/m³	24h	2
2026-07-19	36	14–57	8.6 µg/m³	24h	3
2026-07-18	36	9–63	8.8 µg/m³	22h	2
2026-07-17	48	13–70	12.6 µg/m³	22h	2
2026-07-16	51	26–87	13.7 µg/m³	24h	2
2026-07-15	48	23–73	12.5 µg/m³	23h	3

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