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  5. Altadena

Altadena

Los Angeles County, California

2026-05-02 15:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
19.3
PM10
μg/m³
34
Weather
  • ℃
  • ℉
13℃
69%
8 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
Data Sources
http://www.airnow.gov/

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