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Virginia, United States

Haymarket · Air quality

Wednesday, Nov 11 · America/New York

Haymarket air quality

US air quality index

48

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
15 µg/m³
PM10
8 µg/m³
Ozone
9.4 µg/m³
Nitrogen dioxide
12 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
219.3 µg/m³
European AQI (separate scale)
2