Alta Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Alta

Placer County, California

2025-12-17 02:00

AQI (China)

Excellent

PM2.5

μg/m³

25

Weather

11℃

96%

7 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Rough and Ready

Lake of the Pines