Half Moon Bay Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Half Moon Bay

San Mateo County, California

2025-12-15 03:00

AQI (China)

Excellent

PM2.5

μg/m³

30

Weather

9℃

91%

9 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Highlands-Baywood Park