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Colorado, United States

Lazy Acres · Air quality

Thursday, Nov 5 · America/Denver

Lazy Acres air quality

US air quality index

36

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
8 µg/m³
PM2.5
4.1 µg/m³
PM10
9 µg/m³
Ozone
33.8 µg/m³
Nitrogen dioxide
13 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
159 µg/m³
European AQI (separate scale)
1