The AQI in San Francisco is currently 34 — Good. Air quality is satisfactory; little or no risk.
| Measurement | Value |
|---|---|
| PM2.5 | 34 |
| Ozone (O₃) | 14.5 |
| NO₂ | 3 |
| CO | 2.3 |
| Temperature (°C) | 16.8 |
| Humidity (%) | 71.4 |
| Pressure (hPa) | 1009.2 |
| Wind (m/s) | 2.4 |
| Wind Gust (m/s) | 5.8 |
| Pollutant | Mon, May 25 | Tue, May 26 | Wed, May 27 | Thu, May 28 | Fri, May 29 | Sat, May 30 | Sun, May 31 | Mon, Jun 1 |
|---|---|---|---|---|---|---|---|---|
| PM2.5 |
19
17–22
|
21
15–27
|
23
17–27
|
24
19–29
|
19
15–23
|
14
13–18
|
14
12–17
|
19
18–33
|
| PM10 |
10
9–11
|
8
6–13
|
8
6–10
|
9
6–11
|
7
6–9
|
6
5–7
|
6
5–6
|
7
6–12
|
| UV Index |
0
0–1
|
1
0–6
|
1
0–6
|
1
0–7
|
1
0–8
|
2
0–9
|