Air Quality


Logo_PurpleAir.png

Park Place, Exeter, California
Updated: Saturday, May 31 2025 - 6:14 PM PDT

Real-Time Air Quality Map
25 Good

0-50: Air quality is satisfactory, and air pollution poses little or no risk with 24 hours of exposure.

Sensor A

29
7 μg/m3

28
6.7 μg/m3

29
6.9 μg/m3

33
7.9 μg/m3

56
14.7 μg/m3

49
11.7 μg/m3
Real-time 10 minutes 30 minutes 1 hour 6 hours 24 hours
Sensor B

21
5 μg/m3

23
5.4 μg/m3

24
5.7 μg/m3

28
6.7 μg/m3

54
13.4 μg/m3

45
10.9 μg/m3
Real-time 10 minutes 30 minutes 1 hour 6 hours 24 hours

The main number shown above is the current air quality index for PM2.5 (fine particulate matter). The AQI is derived from the short-term (10 minute average) values. The PurpleAir device contains two particle detectors to provide redundancy and help determine sensor health.


aqichart.gif

Real-time PurpleAir script courtesy of Saratoga Weather.
AQI chart generated by Weather Display software.



Visalia, California
Updated: Saturday, May 31 2025 - 6:15 PM PDT

Ozone (O3), in parts per billion (ppb)

Pollutant Type Air Quality Level Latest Concentration
Ozone Unhealthy for 
 Sensitive Groups		 80 ppb  air-quality-unhealthy-sensitive.png

AQI_levels_ROAR_ozone.png
AQI_levels_ROAR_guidelines.png