Current NAAQS Status in Louisville

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