What is the air quality trend in Bend?

Over the past 8 days, Bend had an average AQI of 80 based on station measurements. The worst day was 2026-07-21 with AQI 195.

How is Bend air quality measured?

Air quality in Bend 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 Bend, United States

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

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

173

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	195	44–365	134.5 µg/m³	144.2	21h	2
2026-07-20	77	9–165	26.8 µg/m³	29.6	24h	2
2026-07-19	45	13–159	12.9 µg/m³	13.6	24h	2
2026-07-18	50	18–165	15.4 µg/m³	16.1	24h	2
2026-07-17	54	20–175	17.4 µg/m³	18.4	24h	2
2026-07-16	48	15–99	13.9 µg/m³	14.6	24h	2
2026-07-15	71	23–134	22.7 µg/m³	24.3	24h	2
2026-07-14	102	68–135	34.8 µg/m³	36.1	2h	2

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