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Montana, United States

Seeley Lake · Air quality

Tuesday, Nov 10 · America/Denver

Seeley Lake air quality

US air quality index

39

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
7 µg/m³
PM2.5
13.4 µg/m³
PM10
12 µg/m³
Ozone
32.9 µg/m³
Nitrogen dioxide
5 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
144 µg/m³
European AQI (separate scale)
1