Oakland Air Quality in February
Across 2019–2025, Oakland's February air quality had a median AQI of 46 (Good) over 179 monitored days in the San Francisco-Oakland-Hayward, CA area. 0.0% of February days (0 of 179) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 73.2% of days. The cleanest February on record here was 2019 (median AQI 40, 0 days above 100) and the worst was 2022 (median 55, 0 days above 100, peak AQI 81).
- Good: 54.7%
- Moderate: 45.3%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Oakland in February?
Good on a typical day: median AQI 46 across 2019–2025, with 0.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓54.7% of February days were Good (AQI 0–50), 45.3% Moderate (51–100).
- ✓0 days of 179 reached AQI 101+; the February peak was 81.
- ✓Best February: 2019; worst February: 2022.
Frequently asked questions
What is the air quality like in Oakland in February?▾
Across 2019–2025, the median daily AQI in Oakland in February was 46 (Good). 54.7% of days were Good, 45.3% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 179 monitored days in EPA's Air Quality System.
Is February a good time for outdoor exercise in Oakland?▾
A typical February day in Oakland sits in the Good range (median AQI 46), 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 Oakland's February air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 73.2% of February days in Oakland. The highest February AQI recorded in 2019–2025 was 81 (Moderate), in 2022.
Oakland February air quality, year by year
Oakland February air quality by year (San Francisco-Oakland-Hayward, CA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 28 | 40 | 0 | 55 | O3 |
| 2020 | 29 | 55 | 0 | 71 | PM2.5 |
| 2021 | 28 | 44 | 0 | 62 | PM2.5 |
| 2022worst | 28 | 55 | 0 | 81 | PM2.5 |
| 2023 | 28 | 54 | 0 | 80 | PM2.5 |
| 2024 | 29 | 45 | 0 | 60 | PM2.5 |
| 2025 | 9 | 16 | 0 | 29 | PM2.5 |
What February air means in Oakland
A typical February day in Oakland sits in the Good range (median AQI 46), 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 46 is below Oakland's whole-year median of 53, 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 Oakland 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 Oakland's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Oakland
The latest EPA AirNow observation puts Oakland's AQI at 37 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Oakland air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (San Francisco-Oakland-Hayward, CA), 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.