What is the air quality trend in Auburn?

Over the past 8 days, Auburn had an average AQI of 44 based on station measurements. The worst day was 2026-07-16 with AQI 69.

How is Auburn air quality measured?

Air quality in Auburn 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 Auburn, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

151h

PM2.5 Station

151h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	39	5–72	9.9 µg/m³	15h	2
2026-07-20	46	12–109	12.8 µg/m³	19h	2
2026-07-19	44	17–110	12.3 µg/m³	22h	2
2026-07-18	47	18–107	13.2 µg/m³	23h	2
2026-07-17	56	12–172	20.3 µg/m³	23h	2
2026-07-16	69	13–233	31.8 µg/m³	24h	2
2026-07-15	33	7–82	8.3 µg/m³	24h	2
2026-07-14	23	23–23	5.6 µg/m³	1h	4

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