What is the air quality trend in Coralville?

Over the past 15 days, Coralville had an average AQI of 50 based on station measurements. The worst day was 2026-05-26 with AQI 66.

How is Coralville air quality measured?

Air quality in Coralville 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 Coralville, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

191h

PM2.5 Station

191h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	50	15–85	14.9 µg/m³	4h	1
2026-06-08	36	5–63	8.8 µg/m³	12h	1
2026-06-07	44	19–97	11.8 µg/m³	16h	1
2026-06-06	39	15–77	10.2 µg/m³	13h	1
2026-06-05	44	18–99	12.4 µg/m³	17h	1
2026-06-04	56	18–112	16.6 µg/m³	13h	1
2026-06-03	55	22–114	16.2 µg/m³	13h	1
2026-06-02	42	20–70	10.6 µg/m³	14h	1
2026-06-01	54	21–112	15.3 µg/m³	14h	1
2026-05-31	58	17–93	17.0 µg/m³	16h	1
2026-05-30	41	13–84	11.5 µg/m³	14h	1
2026-05-29	48	12–97	13.8 µg/m³	13h	1
2026-05-28	62	18–195	23.7 µg/m³	13h	1
2026-05-27	55	17–149	16.3 µg/m³	13h	1
2026-05-26	66	28–93	20.0 µg/m³	6h	1

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