Salt Lake City Air Quality in June
Across 2019–2025, Salt Lake City's June air quality had a median AQI of 71 (Moderate) over 210 monitored days in the Salt Lake City, UT area. 9.5% of June days (20 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 81.0% of days. The cleanest June on record here was 2020 (median AQI 50, 0 days above 100) and the worst was 2021 (median 76, 7 days above 100, peak AQI 122).
- Good: 14.3%
- Moderate: 76.2%
- Unhealthy for Sensitive Groups: 9.5%
- Unhealthy or worse: 0.0%
Extra Protection for Salt Lake City Homes
Air quality in Salt Lake City is moderate (AQI 52), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Salt Lake City in June?
Moderate on a typical day: median AQI 71 across 2019–2025, with 9.5% of June days above AQI 100. Ground-level ozone is the main driver.
- ✓14.3% of June days were Good (AQI 0–50), 76.2% Moderate (51–100).
- ✓20 days of 210 reached AQI 101+; the June peak was 143.
- ✓Best June: 2020; worst June: 2021.
Frequently asked questions
What is the air quality like in Salt Lake City in June?▾
Across 2019–2025, the median daily AQI in Salt Lake City in June was 71 (Moderate). 14.3% of days were Good, 76.2% Moderate, and 9.5% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is June a good time for outdoor exercise in Salt Lake City?▾
A typical June day in Salt Lake City is Moderate (median AQI 71): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 11 of June days (9.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Salt Lake City's June air quality problems?▾
Ground-level ozone set the daily AQI on 81.0% of June days in Salt Lake City. The highest June AQI recorded in 2019–2025 was 143 (Unhealthy for Sensitive Groups), in 2021.
Salt Lake City June air quality, year by year
Salt Lake City June air quality by year (Salt Lake City, UT, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 69 | 2 | 108 | O3 |
| 2020cleanest | 30 | 50 | 0 | 97 | O3 |
| 2021worst | 30 | 76 | 7 | 122 | O3 |
| 2022 | 30 | 71 | 3 | 105 | O3 |
| 2023 | 30 | 73 | 1 | 115 | O3 |
| 2024 | 30 | 65 | 2 | 122 | O3 |
| 2025 | 30 | 77 | 5 | 143 | O3 |
What June air means in Salt Lake City
A typical June day in Salt Lake City is Moderate (median AQI 71): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 11 of June days (9.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
June's median AQI of 71 is above Salt Lake City's whole-year median of 57, making it one of the area's dirtier periods. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so Salt Lake City runs above the national June norm; 9.5% of its June days topped AQI 100 versus 3.7% nationally (above average).
June is part of Salt Lake City's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Salt Lake City
The latest EPA AirNow observation puts Salt Lake City's AQI at 52 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Salt Lake City air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Salt Lake City, UT), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.