Current NAAQS Status in Louisville

This table shows the status of the Louisville metropolitan statistical area in attainment of national ambient air quality standards (NAAQS).

 

Pollutant

Standard (Averaging Time)

Status

Carbon Monoxide

9 ppm (8 hours)

Attainment

Carbon Monoxide

35 ppm (1 hour)

Attainment

Lead

0.15 μg/m3 (Rolling 3-month average)

Attainment

Nitrogen Dioxide

100 ppb (1 hour)

Attainment

Nitrogen Dioxide

53 ppb (1 year)

Attainment

Ozone

0.070 ppm (8 hours)

Non-attainment

Particle Pollution (PM10)

150 μg/m3 (24 hours)

Attainment

Particle Pollution (PM2.5)

12.0 μg/m3 (1 year)

Attainment

Particle Pollution (PM2.5)

35 μg/m3 (24 hours)

Attainment

Sulfur Dioxide

75 ppb (1 hour)

Attainment

Sulfur Dioxide

0.5 ppm (3 hours)

Attainment

 

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