Mercer County Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Mercer County

Kentucky

2025-12-28 16:00

AQI (US)

Good

PM2.5

μg/m³

7.4

O3

μg/m³

57.9

Weather

21℃

82%

28 kph

1 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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