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Delaware, United States

Delaware City · Air quality

Monday, Oct 26 · America/New York

Delaware City air quality

US air quality index

43

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
24 µg/m³
PM2.5
14.2 µg/m³
PM10
27 µg/m³
Ozone
19.5 µg/m³
Nitrogen dioxide
20 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
262 µg/m³
European AQI (separate scale)
2