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Minnesota, United States

Saint Peter · Air quality

Thursday, Oct 22 · America/Chicago

Saint Peter air quality

US air quality index

57

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
11 µg/m³
PM2.5
12.9 µg/m³
PM10
12 µg/m³
Ozone
41.4 µg/m³
Nitrogen dioxide
6 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
187 µg/m³
European AQI (separate scale)
2