Raleigh Air Quality in February
Across 2019–2025, Raleigh's February air quality had a median AQI of 44 (Good) over 198 monitored days in the Raleigh, NC area. 0.0% of February days (0 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 63.6% of days. The cleanest February on record here was 2021 (median AQI 38, 0 days above 100) and the worst was 2019 (median 56, 0 days above 100, peak AQI 73).
- Good: 63.1%
- Moderate: 36.9%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Raleigh in February?
Good on a typical day: median AQI 44 across 2019–2025, with 0.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓63.1% of February days were Good (AQI 0–50), 36.9% Moderate (51–100).
- ✓0 days of 198 reached AQI 101+; the February peak was 81.
- ✓Best February: 2021; worst February: 2019.
Frequently asked questions
What is the air quality like in Raleigh in February?▾
Across 2019–2025, the median daily AQI in Raleigh in February was 44 (Good). 63.1% of days were Good, 36.9% Moderate, and 0.0% 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 Raleigh?▾
A typical February day in Raleigh sits in the Good range (median AQI 44), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of February days reached AQI 101+ in 2019–2025.
Which pollutant causes Raleigh's February air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 63.6% of February days in Raleigh. The highest February AQI recorded in 2019–2025 was 81 (Moderate), in 2019.
Raleigh February air quality, year by year
Raleigh February air quality by year (Raleigh, NC, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019worst | 28 | 56 | 0 | 73 | PM2.5 |
| 2020 | 29 | 46 | 0 | 75 | PM2.5 |
| 2021cleanest | 28 | 38 | 0 | 58 | O3 |
| 2022 | 28 | 50 | 0 | 81 | PM2.5 |
| 2023 | 28 | 45 | 0 | 61 | PM2.5 |
| 2024 | 29 | 41 | 0 | 79 | PM2.5 |
| 2025 | 28 | 38 | 0 | 68 | PM2.5 |
What February air means in Raleigh
A typical February day in Raleigh sits in the Good range (median AQI 44), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of February days reached AQI 101+ in 2019–2025.
February's median AQI of 44 is below Raleigh's whole-year median of 48, 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 Raleigh runs in line with the national February norm; 0.0% of its February days topped AQI 100 versus 0.4% nationally (about the same).
February is part of Raleigh's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Raleigh
The latest EPA AirNow observation puts Raleigh's AQI at 47 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Raleigh air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Raleigh, NC), 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.