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

Lake San Marcos

San Diego County, California

2026-03-11 18:00

AQI (US)

Good

PM2.5

μg/m³

8.7

PM10

μg/m³

22

Weather

22℃

53%

14 kph

7 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Lake San Marcos

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