Air Quality


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Park Place, Exeter, California
Updated: Saturday, December 6 2025 - 7:31 PM PST

Real-Time Air Quality Map
134 Unhealthy for Sensitive Groups

101-150: Members of sensitive groups may experience health effects with 24 hours of exposure. The general public is less likely to be affected.

Sensor A

142
52 μg/m3

140
51.3 μg/m3

139
50.8 μg/m3

137
50.1 μg/m3

132
47.9 μg/m3

120
43.3 μg/m3
Real-time 10 minutes 30 minutes 1 hour 6 hours 24 hours
Sensor B

124
45 μg/m3

129
46.8 μg/m3

128
46.4 μg/m3

126
45.8 μg/m3

121
43.6 μg/m3

110
39.2 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: Saturday, December 6 2025 - 7:30 PM PST

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

Pollutant Type Air Quality Level Latest Concentration
Ozone Good 12 ppb  air-quality-good.png

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