Scottsdale Air Quality in February
Across 2019–2025, Scottsdale's February air quality had a median AQI of 64 (Moderate) over 198 monitored days in the Phoenix-Mesa-Scottsdale, AZ area. 15.2% of February days (30 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 37.4% of days. The cleanest February on record here was 2019 (median AQI 52, 0 days above 100) and the worst was 2020 (median 150, 27 days above 100, peak AQI 214).
- Good: 16.2%
- Moderate: 68.7%
- Unhealthy for Sensitive Groups: 8.1%
- Unhealthy or worse: 7.1%
Reduce Indoor Ozone in Scottsdale
Today's main pollutant in Scottsdale is ground-level ozone (AQI 47). Important: standard HEPA filters do NOT remove ozone — only a purifier with a substantial activated-carbon bed adsorbs it. The biggest wins are cutting indoor sources (gas appliances, certain "ionizer" purifiers) and ventilating when outdoor ozone is low (early morning). A high-carbon unit helps with the gases and VOCs that linger indoors.
Recommended: Levoit Core 300 — True HEPA + activated carbon · CADR ~141 CFM · rooms up to 219 sq ft
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How is the air in Scottsdale in February?
Moderate on a typical day: median AQI 64 across 2019–2025, with 15.2% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓16.2% of February days were Good (AQI 0–50), 68.7% Moderate (51–100).
- ✓30 days of 198 reached AQI 101+; the February peak was 214.
- ✓Best February: 2019; worst February: 2020.
Frequently asked questions
What is the air quality like in Scottsdale in February?▾
Across 2019–2025, the median daily AQI in Scottsdale in February was 64 (Moderate). 16.2% of days were Good, 68.7% Moderate, and 15.2% 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 Scottsdale?▾
A typical February day in Scottsdale is Moderate (median AQI 64): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 7 of February days (15.2%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Scottsdale's February air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 37.4% of February days in Scottsdale. The highest February AQI recorded in 2019–2025 was 214 (Very Unhealthy), in 2020.
Scottsdale February air quality, year by year
Scottsdale February air quality by year (Phoenix-Mesa-Scottsdale, AZ, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 28 | 52 | 0 | 84 | O3 |
| 2020worst | 29 | 150 | 27 | 214 | O3 |
| 2021 | 28 | 65 | 0 | 87 | PM2.5 |
| 2022 | 28 | 69 | 0 | 100 | PM10 |
| 2023 | 28 | 56 | 0 | 95 | PM2.5 |
| 2024 | 29 | 55 | 0 | 75 | PM2.5 |
| 2025 | 28 | 78 | 3 | 109 | PM10 |
What February air means in Scottsdale
A typical February day in Scottsdale is Moderate (median AQI 64): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 7 of February days (15.2%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
February's median AQI of 64 is below Scottsdale's whole-year median of 79, 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 Scottsdale runs above the national February norm; 15.2% of its February days topped AQI 100 versus 0.4% nationally (above average).
February is part of Scottsdale's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Scottsdale
The latest EPA AirNow observation puts Scottsdale's AQI at 47 (O3). The figures above are multi-year month statistics, not today's reading.
View current Scottsdale air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Phoenix-Mesa-Scottsdale, AZ), 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.