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Maryland, United States

Hebron · Air quality

Thursday, Oct 22 · America/New York

Hebron air quality

US air quality index

42

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
6 µg/m³
PM2.5
13.4 µg/m³
PM10
6 µg/m³
Ozone
12.1 µg/m³
Nitrogen dioxide
9.3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
189 µg/m³
European AQI (separate scale)
1