Air Quality


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Park Place, Exeter, California
Updated: Friday, September 11 2026 - 9:07 PM PDT

Real-Time Air Quality Map
8 Good

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

Sensor A

13
3 μg/m3

9
2.2 μg/m3

7
1.6 μg/m3

5
1.2 μg/m3

15
3.6 μg/m3

23
5.4 μg/m3
Real-time 10 minutes 30 minutes 1 hour 6 hours 24 hours
Sensor B

8
2 μg/m3

7
1.7 μg/m3

5
1.2 μg/m3

4
1 μg/m3

14
3.3 μg/m3

20
4.9 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.


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



Porterville, California
Updated: Friday, September 11 2026 - 9:05 PM PDT

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

Pollutant Type Air Quality Level Latest Concentration
Ozone Good 42 ppb  air-quality-good.png

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