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Maryland, United States

Timonium · Air quality

Monday, Oct 26 · America/New York

Timonium air quality

US air quality index

60

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
4 µg/m³
PM2.5
11.8 µg/m³
PM10
5 µg/m³
Ozone
40.8 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
143 µg/m³
European AQI (separate scale)
2