Oakland Air Quality in November
Across 2019–2025, Oakland's November air quality had a median AQI of 55 (Moderate) over 180 monitored days in the San Francisco-Oakland-Hayward, CA area. 0.0% of November days (0 of 180) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 92.8% of days. The cleanest November on record here was 2024 (median AQI 46, 0 days above 100) and the worst was 2019 (median 62, 0 days above 100, peak AQI 95).
- Good: 36.7%
- Moderate: 63.3%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Improve Indoor Air Quality
Even with good outdoor air in Oakland, indoor PM2.5, dust and allergens build up. A True-HEPA purifier keeps a bedroom or office consistently clean.
Recommended: Levoit Core 400S — True HEPA · CADR ~141 CFM · rooms up to 219 sq ft
As an Amazon Associate, we earn from qualifying purchases.
How is the air in Oakland in November?
Moderate on a typical day: median AQI 55 across 2019–2025, with 0.0% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓36.7% of November days were Good (AQI 0–50), 63.3% Moderate (51–100).
- ✓0 days of 180 reached AQI 101+; the November peak was 95.
- ✓Best November: 2024; worst November: 2019.
Frequently asked questions
What is the air quality like in Oakland in November?▾
Across 2019–2025, the median daily AQI in Oakland in November was 55 (Moderate). 36.7% of days were Good, 63.3% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 180 monitored days in EPA's Air Quality System.
Is November a good time for outdoor exercise in Oakland?▾
A typical November day in Oakland is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of November days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Oakland's November air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 92.8% of November days in Oakland. The highest November AQI recorded in 2019–2025 was 95 (Moderate), in 2019.
Oakland November air quality, year by year
Oakland November 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 |
|---|---|---|---|---|---|
| 2019worst | 30 | 62 | 0 | 95 | PM2.5 |
| 2020 | 30 | 54 | 0 | 85 | PM2.5 |
| 2021 | 30 | 59 | 0 | 77 | PM2.5 |
| 2022 | 30 | 53 | 0 | 85 | PM2.5 |
| 2023 | 30 | 57 | 0 | 70 | PM2.5 |
| 2024cleanest | 30 | 46 | 0 | 63 | PM2.5 |
What November air means in Oakland
A typical November day in Oakland is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of November days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
November's median AQI of 55 is in line with Oakland's whole-year median of 53, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median November AQI across every EPA metro area (92,704 metro-days, 2019–2025) is 39, so Oakland runs above the national November norm; 0.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).
November is part of Oakland's fall season (September, October, November); the fall 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.