What is the air quality trend in Salt Lake City?

Over the past 14 days, Salt Lake City had an average AQI of 50 based on station measurements. The worst day was 2026-07-30 with AQI 67.

How is Salt Lake City air quality measured?

Air quality in Salt Lake City 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 Salt Lake City, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Salt Lake City, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 10 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-07	44	13–63	10.9 µg/m³	23h	8
2026-08-06	50	19–65	12.9 µg/m³	23h	10
2026-08-05	52	35–67	13.7 µg/m³	24h	10
2026-08-04	56	35–91	15.4 µg/m³	24h	10
2026-08-03	49	28–82	12.4 µg/m³	24h	8
2026-08-02	49	25–162	13.7 µg/m³	24h	8
2026-08-01	46	29–70	11.7 µg/m³	24h	7
2026-07-31	63	26–200	21.5 µg/m³	24h	9
2026-07-30	67	1–297	30.7 µg/m³	24h	8
2026-07-29	49	29–72	12.4 µg/m³	24h	8
2026-07-28	53	37–75	13.7 µg/m³	24h	9
2026-07-27	43	14–83	10.8 µg/m³	24h	7
2026-07-26	43	22–77	11.1 µg/m³	24h	8
2026-07-25	47	15–64	11.8 µg/m³	21h	8

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