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Pennsylvania, United States

Allen Lane · Air quality

Friday, Nov 6 · America/New York

Allen Lane air quality

US air quality index

33

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
26 µg/m³
PM2.5
17.2 µg/m³
PM10
27 µg/m³
Ozone
11 µg/m³
Nitrogen dioxide
40 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
376 µg/m³
European AQI (separate scale)
1