Baltimore Air Quality in February
Across 2019–2025, Baltimore's February air quality had a median AQI of 49 (Good) over 198 monitored days in the Baltimore-Columbia-Towson, MD 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 79.8% of days. The cleanest February on record here was 2019 (median AQI 43, 0 days above 100) and the worst was 2022 (median 54, 0 days above 100, peak AQI 64).
- Good: 52.5%
- Moderate: 47.5%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Baltimore in February?
Good on a typical day: median AQI 49 across 2019–2025, with 0.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓52.5% of February days were Good (AQI 0–50), 47.5% Moderate (51–100).
- ✓0 days of 198 reached AQI 101+; the February peak was 98.
- ✓Best February: 2019; worst February: 2022.
Frequently asked questions
What is the air quality like in Baltimore in February?▾
Across 2019–2025, the median daily AQI in Baltimore in February was 49 (Good). 52.5% of days were Good, 47.5% 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 Baltimore?▾
A typical February day in Baltimore sits in the Good range (median AQI 49), 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 Baltimore's February air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 79.8% of February days in Baltimore. The highest February AQI recorded in 2019–2025 was 98 (Moderate), in 2022.
Baltimore February air quality, year by year
Baltimore February air quality by year (Baltimore-Columbia-Towson, MD, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 28 | 43 | 0 | 98 | PM2.5 |
| 2020 | 29 | 46 | 0 | 65 | PM2.5 |
| 2021 | 28 | 54 | 0 | 80 | PM2.5 |
| 2022worst | 28 | 54 | 0 | 64 | PM2.5 |
| 2023 | 28 | 43 | 0 | 62 | PM2.5 |
| 2024 | 29 | 51 | 0 | 67 | PM2.5 |
| 2025 | 28 | 43 | 0 | 61 | PM2.5 |
What February air means in Baltimore
A typical February day in Baltimore sits in the Good range (median AQI 49), 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 49 is in line with Baltimore's whole-year median of 49, 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 Baltimore runs above the national February norm; 0.0% of its February days topped AQI 100 versus 0.4% nationally (about the same).
February is part of Baltimore's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Baltimore
The latest EPA AirNow observation puts Baltimore's AQI at 43 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Baltimore air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Baltimore-Columbia-Towson, MD), 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.