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North Carolina, United States

Kings Grant · Air quality

Sunday, Nov 1 · America/New York

Kings Grant air quality

US air quality index

35

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
4 µg/m³
PM2.5
4.4 µg/m³
PM10
6 µg/m³
Ozone
26 µg/m³
Nitrogen dioxide
2.3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
135.7 µg/m³
European AQI (separate scale)
1