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Attica, Greece

Néa Ionía · Air quality

Sunday, Nov 8 · Europe/Athens

Néa Ionía air quality

US air quality index

23

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
5 µg/m³
PM2.5
6 µg/m³
PM10
7 µg/m³
Ozone
41 µg/m³
Nitrogen dioxide
10 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
156 µg/m³
European AQI (separate scale)
1