Air Quality


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Park Place, Exeter, California
Updated: Friday, March 6 2026 - 5:46 AM PST

Real-Time Air Quality Map
42 Good

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

Sensor A

33
8 μg/m3

44
10.6 μg/m3

47
11.3 μg/m3

48
11.6 μg/m3

38
9.1 μg/m3

54
13.6 μg/m3
Real-time 10 minutes 30 minutes 1 hour 6 hours 24 hours
Sensor B

33
8 μg/m3

40
9.5 μg/m3

42
10 μg/m3

43
10.2 μg/m3

35
8.3 μg/m3

52
12.7 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.


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



Visalia, California
Updated: Friday, March 6 2026 - 5:50 AM PST

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

Pollutant Type Air Quality Level Latest Concentration
Ozone Good 20 ppb  air-quality-good.png

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AQI_levels_ROAR_guidelines.png