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Georgia, United States

Gresham Park · Air quality

Saturday, Oct 17 · America/New York

Gresham Park air quality

US air quality index

51

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
4 µg/m³
PM2.5
9.5 µg/m³
PM10
5 µg/m³
Ozone
23.4 µg/m³
Nitrogen dioxide
3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
142 µg/m³
European AQI (separate scale)
2