Salt Lake City Air Quality in February
Across 2019–2025, Salt Lake City's February air quality had a median AQI of 46 (Good) over 198 monitored days in the Salt Lake City, UT area. 2.0% of February days (4 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 43.9% of days. The cleanest February on record here was 2024 (median AQI 42, 0 days above 100) and the worst was 2023 (median 55, 3 days above 100, peak AQI 143).
- Good: 63.6%
- Moderate: 34.3%
- Unhealthy for Sensitive Groups: 2.0%
- 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 February?
Good on a typical day: median AQI 46 across 2019–2025, with 2.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓63.6% of February days were Good (AQI 0–50), 34.3% Moderate (51–100).
- ✓4 days of 198 reached AQI 101+; the February peak was 143.
- ✓Best February: 2024; worst February: 2023.
Frequently asked questions
What is the air quality like in Salt Lake City in February?▾
Across 2019–2025, the median daily AQI in Salt Lake City in February was 46 (Good). 63.6% of days were Good, 34.3% Moderate, and 2.0% reached Unhealthy for Sensitive Groups or worse, based on 198 monitored days in EPA's Air Quality System.
Is February a good time for outdoor exercise in Salt Lake City?▾
A typical February day in Salt Lake City sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 50 of February days (2.0%) reached AQI 101+ in 2019–2025.
Which pollutant causes Salt Lake City's February air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 43.9% of February days in Salt Lake City. The highest February AQI recorded in 2019–2025 was 143 (Unhealthy for Sensitive Groups), in 2023.
Salt Lake City February air quality, year by year
Salt Lake City February 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 | 28 | 45 | 0 | 99 | O3 |
| 2020 | 29 | 49 | 0 | 72 | PM2.5 |
| 2021 | 28 | 42 | 1 | 133 | O3 |
| 2022 | 28 | 52 | 0 | 71 | PM2.5 |
| 2023worst | 28 | 55 | 3 | 143 | PM2.5 |
| 2024cleanest | 29 | 42 | 0 | 58 | O3 |
| 2025 | 28 | 48 | 0 | 93 | O3 |
What February air means in Salt Lake City
A typical February day in Salt Lake City sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 50 of February days (2.0%) reached AQI 101+ in 2019–2025.
February's median AQI of 46 is below Salt Lake City's whole-year median of 57, making it one of the area's cleaner periods. Nationally, the median February AQI across every EPA metro area (87,428 metro-days, 2019–2025) is 41, so Salt Lake City runs above the national February norm; 2.0% of its February days topped AQI 100 versus 0.4% nationally (above average).
February is part of Salt Lake City's winter season (December, January, February); the winter 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.