What is the air quality trend in Corvallis?

Over the past 8 days, Corvallis had an average AQI of 69 based on station measurements. The worst day was 2026-08-05 with AQI 145.

How is Corvallis air quality measured?

Air quality in Corvallis 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 Corvallis, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 10 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	60	52–67	16.0 µg/m³	2h	10
2026-08-07	68	37–122	20.7 µg/m³	24h	8
2026-08-06	102	72–162	36.7 µg/m³	24h	8
2026-08-05	145	108–167	58.6 µg/m³	24h	7
2026-08-04	113	81–155	40.7 µg/m³	24h	8
2026-08-03	30	11–84	8.1 µg/m³	24h	7
2026-08-02	18	11–31	4.4 µg/m³	24h	8
2026-08-01	23	9–62	5.9 µg/m³	19h	8

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