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

Discovery Bay

Contra Costa County, California

2026-09-24 10:00

AQI (China)

Excellent

PM10

μg/m³

29

PM2.5

μg/m³

15

Weather

19℃

61%

2 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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