Real Time PurpleAir Sensor Air Quality
Updated: April 16, 2024, 10:56 am
 
Note: PM2.5 readings are native PurpleAir values and likely indicate higher than actual AQI values when wood smoke is the predominant pollution. For wood smoke corrected values please click on the link below for the regional map or view the real-time value on the home page.
 
 
22 Good
0-50: Air quality is considered satisfactory, and air pollution poses little or no risk
 
Sensor 1

21
5 μg/m3

24
5.7 μg/m3

29
7 μg/m3

33
8 μg/m3

20
4.9 μg/m3

10
2.4 μg/m3

Real-Time
(page load)
Short Term 30 Minutes 1 Hour 6 Hours 24 Hours
Sensor 2

16
3.8 μg/m3

20
4.8 μg/m3

25
5.9 μg/m3

29
6.9 μg/m3

18
4.2 μg/m3

8
2 μg/m3

Real-Time
(page load)
Short Term 30 Minutes 1 Hour 6 Hours 24 Hours

Real Time Purple Air Map for the San Francisco Bay Area
(applying US EPA correction for wood smoke).