What is the air quality trend in Imperial?

Over the past 15 days, Imperial had an average AQI of 62 based on station measurements. The worst day was 2026-06-05 with AQI 77.

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

333h

PM2.5 Station

333h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	42	30–53	10.1 µg/m³	2h	2
2026-06-08	57	30–304	22.0 µg/m³	23h	4
2026-06-07	55	33–220	18.5 µg/m³	24h	3
2026-06-06	62	25–219	21.4 µg/m³	24h	3
2026-06-05	77	43–494	35.8 µg/m³	24h	3
2026-06-04	55	33–189	17.2 µg/m³	24h	3
2026-06-03	67	45–179	21.3 µg/m³	24h	3
2026-06-02	70	43–301	26.1 µg/m³	24h	3
2026-06-01	70	17–494	33.5 µg/m³	24h	3
2026-05-31	62	30–177	19.4 µg/m³	24h	3
2026-05-30	70	34–220	25.0 µg/m³	24h	3
2026-05-29	60	32–217	20.3 µg/m³	24h	3
2026-05-28	58	23–219	20.4 µg/m³	24h	3
2026-05-27	52	28–190	16.5 µg/m³	24h	3
2026-05-26	75	32–309	35.0 µg/m³	20h	3

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