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Tennessee, United States

Tennessee Ridge · Air quality

Wednesday, Nov 11 · America/Chicago

Tennessee Ridge air quality

US air quality index

43

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. Hazardous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

All pollutants

PM1
7 µg/m³
PM2.5
13.9 µg/m³
PM10
8 µg/m³
Ozone
19.5 µg/m³
Nitrogen dioxide
5 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
174 µg/m³
European AQI (separate scale)
2