Skip to weather
weather.ws

Massachusetts, United States

Lee · Air quality

Tuesday, Oct 20 · America/New York

Lee air quality

US air quality index

32

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
8.5 µg/m³
PM10
9 µg/m³
Ozone
14.8 µg/m³
Nitrogen dioxide
11 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
206 µg/m³
European AQI (separate scale)
1