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New York, United States

Greenport West · Air quality

Saturday, Oct 31 · America/New York

Greenport West air quality

US air quality index

30

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
1 µg/m³
PM2.5
2.8 µg/m³
PM10
2 µg/m³
Ozone
24.8 µg/m³
Nitrogen dioxide
3.7 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
143.7 µg/m³
European AQI (separate scale)
1