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Nebraska, United States

Red Cloud · Air quality

Friday, Oct 16 · America/Chicago

Red Cloud air quality

US air quality index

21

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
2 µg/m³
PM2.5
2.1 µg/m³
PM10
2 µg/m³
Ozone
23.2 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
136 µg/m³
European AQI (separate scale)
1