What is the air quality trend in Imperial?

Over the past 7 days, Imperial had an average AQI of 55 based on station measurements. The worst day was 2026-10-17 with AQI 69.

How is Imperial air quality measured?

Air quality in Imperial 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 Imperial, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	55	26–176	17.0 µg/m³	23h	3
2026-10-19	54	29–295	20.6 µg/m³	24h	3
2026-10-18	46	17–191	15.1 µg/m³	24h	3
2026-10-17	69	27–488	33.5 µg/m³	24h	3
2026-10-16	54	25–188	17.6 µg/m³	24h	3
2026-10-15	60	23–259	23.6 µg/m³	23h	3
2026-10-14	48	29–188	15.6 µg/m³	23h	3

Back to Imperial Air Quality