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Maryland, United States

New Carrollton · Air quality

Tuesday, Nov 10 · America/New York

New Carrollton air quality

US air quality index

28

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
11 µg/m³
PM2.5
14.7 µg/m³
PM10
12 µg/m³
Ozone
13.8 µg/m³
Nitrogen dioxide
28 µg/m³
Sulfur dioxide
2.7 µg/m³
Carbon monoxide
254.3 µg/m³
European AQI (separate scale)
1