Costa Mesa Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Costa Mesa

Orange County, California

2025-12-15 16:00

AQI (China)

Excellent

Pollutants|Pollens

PM10

μg/m³

23

PM2.5

μg/m³

16

Weather

13℃

77%

9 kph

1 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Huntington Beach

Fountain Valley