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Rheinland-Pfalz, Germany

Caan · Air quality

Friday, Oct 16 · Europe/Berlin

Caan air quality

US air quality index

40

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
16 µg/m³
PM2.5
17 µg/m³
PM10
17 µg/m³
Ozone
22 µg/m³
Nitrogen dioxide
14 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
231 µg/m³
European AQI (separate scale)
1