What is the air quality trend in Roseburg?

Over the past 8 days, Roseburg had an average AQI of 257 based on station measurements. The worst day was 2026-05-25 with AQI 261.

How is Roseburg air quality measured?

Air quality in Roseburg 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 Roseburg, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Roseburg, United States.

429

Current AQI
Hazardous Station

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
2026-05-28	260	260–261	210.4 µg/m³	20h	2
2026-05-27	258	222–260	208.2 µg/m³	20h	2
2026-05-26	256	172–260	204.9 µg/m³	22h	2
2026-05-25	261	260–262	210.7 µg/m³	23h	2
2026-05-24	260	260–262	210.5 µg/m³	22h	2
2026-05-23	260	260–261	210.3 µg/m³	22h	2
2026-05-22	245	14–261	195.0 µg/m³	23h	2
2026-05-21	260	260–260	210.3 µg/m³	2h	2

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