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Pennsylvania, United States

Olyphant · Air quality

Friday, Oct 16 · America/New York

Olyphant air quality

US air quality index

22

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
9 µg/m³
PM2.5
5.9 µg/m³
PM10
12 µg/m³
Ozone
18.3 µg/m³
Nitrogen dioxide
8 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
176 µg/m³
European AQI (separate scale)
1