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Faro, Portugal

Armação de Pêra · Air quality

Friday, Nov 6 · Europe/Lisbon

Armação de Pêra 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
6 µg/m³
PM2.5
13 µg/m³
PM10
18 µg/m³
Ozone
80 µg/m³
Nitrogen dioxide
3.7 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
119 µg/m³
European AQI (separate scale)
2