Where is the air worst in Utah right now?

Enoch has the highest current reading at AQI 43 (Good).

How often are readings updated?

Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Utah Air Quality

Current AQI at 22 monitors, highest 43 (Good) · Measured 10/27/2026, 5:00 PM PT

Monitors: 22
Highest AQI: 43; Good
Typical (median): 38; Good
Above 100: 0

Monitoring sites in Utah

Worst first. Times are local.

43EnochGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
42Canyonlands NPGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
42ErdaGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
42Herriman #3Good · Ozone · Tue 10/27/2026, 5:00 PM MDT
42WhiterocksGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
41LindonGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
41Zion NPGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
40RedwashGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
40Spanish ForkGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
39MytonGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
38BeachGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
38Vernal #4Good · Ozone · Tue 10/27/2026, 5:00 PM MDT
37HawthorneGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
37HurricaneGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
37P2Good · Ozone · Tue 10/27/2026, 5:00 PM MDT
36BVGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
36Dinosaur National MonumentGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
36RooseveltGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
35HarrisvilleGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
34Rose ParkGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
33OurayGood · Ozone · Tue 10/27/2026, 5:00 PM MDT
31SmithfieldGood · Ozone · Tue 10/27/2026, 5:00 PM MDT

By county

Highest current AQI among the county's monitors

Frequently asked questions

Where is the air worst in Utah right now?: Enoch has the highest current reading at AQI 43 (Good).
How often are readings updated?: Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Source: EPA AirNow · Last updated 10/28/2026 · Data are preliminary and subject to change

Nearby states

What the AQI means

0-50Good. Air quality is satisfactory and poses little or no risk.
51-100Moderate. Acceptable. A few unusually sensitive people may have symptoms.
101-150Unhealthy for Sensitive Groups. People with heart or lung disease, older adults, children and teens should limit long or heavy outdoor exertion.
151-200Unhealthy. Everyone may begin to feel effects. Sensitive groups should avoid long or heavy outdoor exertion.
201-300Very Unhealthy. Health alert: the risk of health effects is increased for everyone.
301-500Hazardous. Health warning of emergency conditions. Everyone is more likely to be affected.

Data sources

AirNowU.S. Environmental Protection Agency

Data as of 10/28/2026

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More about Utah

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About this data

Environmental hazards and flood zones: Flood zones, hazard scores and pollution data come from federal and state agencies and are for general information only. They are not an official flood zone determination, environmental assessment or insurance rating. For a property decision, request an official determination from your community floodplain administrator, insurer or a licensed professional. Maps may not show recent changes.

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