What is the air quality trend in Keizer?

Over the past 8 days, Keizer had an average AQI of 69 based on station measurements. The worst day was 2026-08-05 with AQI 141.

How is Keizer air quality measured?

Air quality in Keizer 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 Keizer, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 15 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	54	45–64	14.0 µg/m³	3h	15
2026-08-07	73	41–122	22.6 µg/m³	24h	12
2026-08-06	107	76–162	38.4 µg/m³	24h	12
2026-08-05	141	104–162	54.4 µg/m³	24h	11
2026-08-04	106	68–148	37.0 µg/m³	24h	13
2026-08-03	29	10–85	7.8 µg/m³	24h	12
2026-08-02	18	10–35	4.3 µg/m³	24h	13
2026-08-01	26	8–60	6.3 µg/m³	19h	13

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