Lake San Marcos Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Lake San Marcos

San Diego County, California

2025-12-07 20:00

CAQI (Europe)

Very Low

PM10

μg/m³

19

PM2.5

μg/m³

6.1

Weather

21℃

54%

6 kph

2 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Lake San Marcos

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