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

Half Moon Bay

San Mateo County, California

2025-03-18 17:00

AQI (US)

Good

PM2.5

μg/m³

9

Weather

13℃

58%

19 kph

5 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Highlands-Baywood Park