What is the air quality trend in Sibiu?

Over the past 8 days, Sibiu had an average AQI of 51 based on station measurements. The worst day was 2026-05-22 with AQI 70.

How is Sibiu air quality measured?

Air quality in Sibiu 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 Sibiu, Romania

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

Historical PM2.5 and AQI trend from monitoring stations near Sibiu, Romania.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	34	20–55	8.2 µg/m³	20h	4
2026-05-28	49	15–178	15.0 µg/m³	24h	4
2026-05-27	58	28–293	22.4 µg/m³	24h	4
2026-05-26	55	17–144	15.4 µg/m³	24h	4
2026-05-25	60	12–330	24.4 µg/m³	24h	4
2026-05-24	41	12–119	10.7 µg/m³	24h	4
2026-05-23	48	14–280	18.8 µg/m³	24h	4
2026-05-22	70	24–108	22.4 µg/m³	4h	6

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