What is the air quality trend in Lehi?

Over the past 8 days, Lehi had an average AQI of 56 based on station measurements. The worst day was 2026-07-17 with AQI 85.

How is Lehi air quality measured?

Air quality in Lehi 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 Lehi, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	45	14–74	11.7 µg/m³	23h	5
2026-07-20	47	22–75	12.0 µg/m³	24h	5
2026-07-19	50	9–104	13.4 µg/m³	23h	4
2026-07-18	54	18–110	14.6 µg/m³	22h	5
2026-07-17	85	20–177	32.2 µg/m³	24h	5
2026-07-16	79	9–409	36.8 µg/m³	24h	6
2026-07-15	55	28–95	15.2 µg/m³	24h	5
2026-07-14	35	35–35	8.4 µg/m³	1h	8

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