Pittsburgh Air Quality in February
Across 2019–2025, Pittsburgh's February air quality had a median AQI of 57 (Moderate) over 198 monitored days in the Pittsburgh, PA area. 3.5% of February days (7 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 92.4% of days. The cleanest February on record here was 2025 (median AQI 51, 0 days above 100) and the worst was 2019 (median 58, 4 days above 100, peak AQI 165).
- Good: 23.7%
- Moderate: 72.7%
- Unhealthy for Sensitive Groups: 2.0%
- Unhealthy or worse: 1.5%
Extra Protection for Pittsburgh Homes
Air quality in Pittsburgh is moderate (AQI 56), 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.
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How is the air in Pittsburgh in February?
Moderate on a typical day: median AQI 57 across 2019–2025, with 3.5% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓23.7% of February days were Good (AQI 0–50), 72.7% Moderate (51–100).
- ✓7 days of 198 reached AQI 101+; the February peak was 165.
- ✓Best February: 2025; worst February: 2019.
Frequently asked questions
What is the air quality like in Pittsburgh in February?▾
Across 2019–2025, the median daily AQI in Pittsburgh in February was 57 (Moderate). 23.7% of days were Good, 72.7% Moderate, and 3.5% 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 Pittsburgh?▾
A typical February day in Pittsburgh is Moderate (median AQI 57): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 29 of February days (3.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Pittsburgh's February air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 92.4% of February days in Pittsburgh. The highest February AQI recorded in 2019–2025 was 165 (Unhealthy), in 2019.
Pittsburgh February air quality, year by year
Pittsburgh February air quality by year (Pittsburgh, PA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019worst | 28 | 58 | 4 | 165 | PM2.5 |
| 2020 | 29 | 56 | 1 | 102 | PM2.5 |
| 2021 | 28 | 58 | 0 | 95 | PM2.5 |
| 2022 | 28 | 60 | 0 | 94 | PM2.5 |
| 2023 | 28 | 63 | 1 | 106 | PM2.5 |
| 2024 | 29 | 54 | 1 | 103 | PM2.5 |
| 2025cleanest | 28 | 51 | 0 | 91 | PM2.5 |
What February air means in Pittsburgh
A typical February day in Pittsburgh is Moderate (median AQI 57): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 29 of February days (3.5%) 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 57 is in line with Pittsburgh's whole-year median of 58, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median February AQI across every EPA metro area (87,428 metro-days, 2019–2025) is 41, so Pittsburgh runs above the national February norm; 3.5% of its February days topped AQI 100 versus 0.4% nationally (above average).
February is part of Pittsburgh's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Pittsburgh
The latest EPA AirNow observation puts Pittsburgh's AQI at 56 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Pittsburgh air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Pittsburgh, PA), 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.