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  4. Placer County
  5. Alta

Alta

Placer County, California

2025-12-11 17:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
6
Weather
  • ℃
  • ℉
17℃
42%
0 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
Data Sources
http://www.airnow.gov/

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